She stresses her experience, especially as first lady, as her chief qualification to be president. Her career includes both accomplishments and missteps.
Bush announced Thursday that Army tours will be cut to 12 months.
Petraeus and Crocker shared the stage with presidential hopefuls, who all had much at stake.
Democrats hope this week's hearings can shift the war's course. GOP wants Clinton, Obama to acknowledge its gains.
The president is likely to veto a bill outlawing such harsh interrogation methods, but the debate goes on.
Latest missile strike at the East Africa nation, aimed at a suspected Al Qaeda operative, keeps terrorists off balance. But some say US should do more to nation-build in Somalia.
High-level meetings are part of Admiral Keating's trip this week, following a flap over Hong Kong port visit by USS Kitty Hawk.
Bush's $46 billion request for Iraq and Afghanistan offers an opening, says the head of the Senate Armed Services committee.