President Obama to announce 34,000 troops to come home from Afghanistan – Jake Tapper reports

(FILES) In this photograph taken on September 23, 2012, dust kicks off the ground during an operation by US Army soldiers attached to the 2nd platoon, C-Coy. 1-23 Infantry based at Zangabad foward operating base in Panjwai ditrict after Anti Personnel Obstacle Breaching System -- abbreviated as A-POBS (charges fired by rocket and trigger safe detonation of IED's used to make roadside bombs) -- detonate on a nearby road during a dawn operation at Naja-bien village.   With the end of the US surge in Afghanistan, the Taliban have survived the biggest military onslaught the West will throw at them -- and fears are growing that a disastrous new civil war looms. The last of the extra 33,000 soldiers President Barack Obama deployed nearly three years ago left late last month, and the remaining NATO force of some 112,000 will follow by the end of 2014.    AFP PHOTO/Tony KARUMBA/ FILES        (Photo credit should read TONY KARUMBA/AFP/Getty Images)
(FILES) In this photograph taken on September 23, 2012, dust kicks off the ground during an operation by US Army soldiers attached to the 2nd platoon, C-Coy. 1-23 Infantry based at Zangabad foward operating base in Panjwai ditrict after Anti Personnel Obstacle Breaching System -- abbreviated as A-POBS (charges fired by rocket and trigger safe detonation of IED's used to make roadside bombs) -- detonate on a nearby road during a dawn operation at Naja-bien village.   With the end of the US surge in Afghanistan, the Taliban have survived the biggest military onslaught the West will throw at them -- and fears are growing that a disastrous new civil war looms. The last of the extra 33,000 soldiers President Barack Obama deployed nearly three years ago left late last month, and the remaining NATO force of some 112,000 will follow by the end of 2014.    AFP PHOTO/Tony KARUMBA/ FILES        (Photo credit should read TONY KARUMBA/AFP/Getty Images)

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Obama to slash troops in Afghanistan 00:49
(CNN) -- In his State of the Union speech Tuesday, President Obama will announce that by this time next year, 34,000 U.S. troops in Afghanistan will have returned home, according to sources with knowledge of the president's speech.
The move will reduce the number of U.S. forces in the country by half.
A Washington Post poll out Tuesday morning shows that 80% of registered voters support the president's policy to end the war in Afghanistan.
    The White House has been considering a range of troop levels to remain in Afghanistan once the combat mission officially ends at the end of 2014, from as many as 15,000 troops to none at all.
      This morning on "Starting Point," CNN's Jake Tapper breaks the news of President Obama's expected announcement in this evening's State of the Union address.