Further to this post,
the president just can’t find a decent way to get outta there–latest:
Obama forced again to rethink troop numbers in Afghanistan
White House sees Afghanistan in a difficult situation
US defence secretary warns of tough fighting season this year
At least the president, however reluctantly, is willing to try to deal with the actually-existing situation and not bug-out in terms of doing some hard-lifting things; he certainly is no pacifist though (perhaps sensibly) a reluctant warrior.
Afghanistan: NATO and US to Keep Substantial Troops Through 2016
[no Canadians though]