By ANNE BARNARD
An explosion in a Christian section of Lebanon's capital killed an official viewed by Syria as an enemy and was the most provocative violence in Lebanon tied to the Syrian conflict.
By C. J. CHIVERS
The Syrian government has salted the ammunition of antigovernment fighters with ordnance that explodes inside rebels' weapons, wounding or killing them while destroying their guns.
The Long Run
By MICHAEL BARBARO, SHERYL GAY STOLBERG and MICHAEL WINES.
A serial chief executive, Mitt Romney is steeped in management theory and eschews gut instincts, wading deeply into the kind of raw data that is usually left to junior aides.