Lt. Col. Daniel Davis just finished a year in Afghanistan and says don't believe claims of progress.
The recent battle for the Kajaki Valley in Helmand Province, which ended with few casualties and Taliban fighters in flight, may mark the last major operation for US troops in Afghanistan.
Pakistan's chief military spokesman said he didn't believe Pakistan fired on the Americans or that the border post attack could have been inadvertent.
Twelve Americans, one Canadian, and four Afghans were killed in the Kabul suicide attack Saturday.
A US military-run reintegration effort in Afghanistan aims to teach captured Taliban fighters how to earn a legal living upon release. Critics say the US program is premature and undermines the Afghan government.