20 The Economist November 20th 2021
Letters
Vaccinepassports
Yourarticleonvaccine
passportsmentioneda paper
based“yellowcard”thatthe
WorldHealthOrganisationhas
publishedfor 30 years(“Hard
pass”,October30th).This
documentcontainsthe
InternationalCertificatefor
VaccinationorProphylaxis
(icvp), whichisrecognisedby
allcountries,unlikecountry
specificcovid19certificates.
Thewhoisworkingona
digitalversionofthis.Inthe
neartermthepaperbased
bookletwillberevisedto
includeanextrasectionon
laboratoryresultsaimedat
providinga universallyaccept
edtoolforinternationaltravel.
Currently,thewhodoes
notrecommendthatcountries
requireproofofvaccination
againstcovid19asa condition
oftravel,giventhelimitedand
unevenaccesstovaccination
worldwide.Nevertheless,
travellerscanbeprovidedwith
aninternationalcertificateon
themodeloftheicvpto
documentthattheywere
inoculatedwithanyofthe
vaccinesthathavereceived
whoapprovalforemergency
use.Measuressuchastesting
orquarantinecouldbeeased
forvaccinatedtravellers,based
oneachcountry’sriskassess
mentandonwhoguidance.
tarikjasarevic
Spokesperson
WorldHealthOrganisation
Geneva
Aquestion of numbers
“The maths wars” (November
6th) correctly highlighted a
serious problem with Amer
ican competitiveness and
national security arising from
the poor quality of education
in mathematics. You discussed
at some length the methodolo
gy of teaching, but the real
problem is the quality of the
teaching. Teachers are poorly
paid. A graduate with an
engineering or science degree
can earn twice as much in the
private sector.
Substandard teaching in
maths, science and technology
has farreaching consequenc
es. I came to America on an
h1bvisabecausemyemployer
couldnotfindanAmerican
withmyskills.Visitany
engineeringofficeorlaborato
rynowandyou’llfindthat
abouthalftheworkersob
tainedtheirprimaryandsec
ondaryeducationina foreign
country.Relyingonimmigra
tiontomakeuptheshortfall
hasworkedsofar,butAmerica
isbecominglessattractiveasa
destinationforvariousrea
sons,makingit moredifficult
toattracttheseskills.
nigelgale
SanAntonio,Texas
Morocco and Western Sahara
Regarding the conflict in
Western Sahara (“The disputed
desert”, November 6th), the
claim by the Polisario Front,
which is seeking indepen
dence, to control 20% of the
land is a flagrant violation of
the 1991 ceasefire agreement, as
the unhas repeatedly noted.
Under the agreement, 80% of
the territory remains under
Moroccan control and 20% is
designated as demilitarised
buffer zones.
It is true that Western
Sahara under Morocco’s rule is
booming. Subsidies target
Sahrawis first and foremost,
and not only nonSahrawis
coming from other parts of
Morocco. By contrast, Sahrawis
in the camps on Algerian soil
are warehoused against their
will. They are considered
refugees but they have no right
to free movement or gainful
employment, nor to be count
ed and identified, as stipulated
in the Geneva Convention and
demanded by the unSecurity
Council. The Polisario receives
134,000 daily food rations from
the World Food Programme,
but aerial pictures and evi
dence on the ground suggest
that those in the camps num
ber less than 90,000. The
European AntiFraud Office
has accused Polisario in the
past of embezzling rations and
selling them on the black
market, with help from Algeri
an military officers.
War will only make an
already dire situation in the
camps unbearable and explo
sive. Morocco has been trying
toappealtoAlgeriatoopen
channelsofdialogue.Rulersin
bothcountriesoweit totheir
populationsandnextgener
ationstothinkpeaceandnot
war,prosperityinsteadof
belligerence.Thosebeatingthe
drumsofwarwoulddragthe
regionintoa conflictwhere
everyonewilllose.
lahcenhaddad
Ministerinthegovernmentof
Morocco,2012
Rabat
Theelephantnotintheroom
Chinapumpsalmost30%of
theworld’scarbondioxide
emissionsintotheatmo
sphere,andyetyousingledout
theprimeministersofIndia
andAustraliaanda senator
fromWestVirginiaascowards
onfossilfuels(“Copout”,
October30th).XiJinpingdidn’t
eventurnupatthecop 26
summitinGlasgow.Chinais
stillincreasingitscapacityfor
coalfiredpowerstations.
gregwelsby
Brisbane,Australia
Onewidelyneglectedlegal
issueassociatedwithglobal
warmingishowinternational
bodies,andtheuninpartic
ular,shoulddealwithwater
loggedstates;smallislands
andlowlyingcountriesthat
willprobablybefloodedby
2100 becauseofrisingsea
levels.Muchhasbeensaid
aboutrelocatingpopulations
fromtheseplacesfortheir
safety,butnoattentionhas
beenpaidtothelegalstanding
ofthesestateswithouta sover
eignterritorytorule.Willthey
continuetoenjoyvotesinthe
unandotherworldagencies?
professorpeterhaas
UniversityofMassachusetts
Amherst
Battling Biden
Your analysis of American
politics is bleak (“One year on”,
November 6th). Joe Biden’s
widely popular social, infra
structure and climate pro
grammes are apparently no
match for the challenges at
hand. The party of liberalism,
diversity, education and the
popular vote is mathematically
doomed at elections. All that is
left is for Donald Trump to
fulfil the prophesies and
return in 2024 with a flush
Republican majority in Con
gress. Can a future edition give
us details about how to emi
grate to Canada? Or better yet,
provide a road to redemption?
greg buss
Portland, Oregon
Quintuple-A rating
The French addiction to acro
nyms does indeed extend to
gastronomy (“pfue?lol”,
October 30th). The acronym
aaaaaon menus marks the
provenance of stuffed
intestines approved by the
Association Amicale des
Amateurs d’Andouillette
Authentique (Friendly Associ
ation Of Authentic Andouil
lette Amateurs). I like to think
that the abbreviation is some
what tongue in cheek.
chris clough
Paris
It is the Dutch who top the
Euroabbreviations league.
Theirs run the full gamut from
political parties (pvda, d66,
pvv, vvd) to football clubs
(nec, nac, vvv, mvv, az). And
the Netherlands surely wins
the prize for the world’s silliest
name for a football club: Go
Ahead Eagles.
peter cain
Trier, Germany
The essential feature of an
acronym is that it can also be
pronounced as a word. This
was clearly understood by
Admiral Ernest King when he
was offered the position of
commanderinchief of the us
fleet by Franklin Roosevelt
soon after Pearl Harbour. He
accepted, but asked that the
job’s acronym, cincus(“sink
us”), be changed to cominch.
michael laggan
Newton of Balcanquhal,
Perthshire
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