Economic blame, Cuba, and Chávez, challenge new US-Latin American relations.
Egyptian police have arrested 25 suspects and are hunting for another 24 in the Sinai peninsula, where officials say the Iranian-sponsored group Hezbollah was operating a covert cell.
In vowing to restart its nuclear-weapons program, the pariah nation could be trying to win concessions from the US or it could be setting out a new strategy.
UN condemnation brings vows from North to restart nuclear program, pull out of six-party talks.
Escalation of violence could lead pirate gangs to join radical militants, including those with ties to Al Qaeda, say analysts.
In the past week, mixed progress as a US journalist is charged with spying amidst positive statements from both countries.
Readers write about why the world is safer without nuclear weapons, how the government cannot legislate whom churches marry, why America must change the way it invests, and why tickets for men's basketball games cost more than tickets for women's.