We've fought too many wars, just recently ending the wars in Iraq and Afghanistan, and the soldiers are tired and should not have to fight in another war.
Soldiers leaving Afghanistan think the trouble is over, only to find that if they leave, they're going to have to deal with even bigger problems.
America is having to fight one war after the other, as we just ended the war in Afghanistan and now are moving on to Syria.
Obama was more worried about winning the election rather than about the war with Afghanistan.