City officials fear Pakistan's commercial capital could be paralyzed if militants become more unified.
A record number of US troops – and Afghan civilians – died in 2008. Frustration mounts over fighting Taliban insurgents among villagers.
The US pursuit of Al Qaeda with airstrikes complicates Pakistan's struggle against the Taliban, who launched their largest attack in months over the weekend.
Some 250 US citizens of Afghan origin have made unlikely career changes to become military interpreters.
Readers write about extracting oil from shale and tar sands, the challenges Obama will face in Afghanistan, and how Hamas impedes the possibility of peace with Israel.
Team Obama is more pragmatic and less ideological than its predecessors, say diplomats and campaign advisers. Afghanistan will be a foreign-policy priority.
Under Obama, the US may send 20,000 more troops and encourage talks with the Taliban in an effort to reclaim the upper hand in Afghanistan.
Security for reporters improved worldwide, but Pakistan remains one of the deadliest places for the profession in 2008.