Biden says he 'can't picture' US troops still being in Afghanistan next year

US Vice President Joe Biden with US soldiers at Bagram airbase, north of Kabul, January 12, 2011.
SHAH MARAI/AFP via Getty Images
Biden said it will be tough to meet a May 1 deadline to withdraw US troops from Afghanistan.
"We will leave. The question is when we leave," Biden said.
But Biden also said he expects US troops to be out of the country by next year.
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President Joe Biden during his first news conference as commander-in-chief on Thursday said