US closes Syrian embassy as diplomacy collapses (AP)

Deeper Iran sanctions; US targets its central bank (AP)

Romney works to fend off Santorum challenge (AP)

Tea party: Warming or resigned to Mitt Romney (AP)

Police: Powell planned deadly fire for some time (AP)

Palestinians take step toward unity (AP)

Mo. teen describes killing as amazing, enjoyable (AP)

A push for family input to detect dementia earlier (AP)

Despite Gisele, Patriots say no finger-pointing (AP)

Censors MIA on M.I.A.'s finger flip (AP)

Greeks delay bailout talks as Merkel demands action (Reuters)

Romney campaign takes aim at Santorum (Reuters)

Syria bombards Homs; West scrambles for new strategy (Reuters)

With economy improving, Obama would beat Romney: poll (Reuters)

Insight: Two firms flourish in frenzied MF Global aftermath (Reuters)

Wall St edges lower after string of gains (Reuters)

Analysis: Euro zone strugglers lack innovative knack (Reuters)

U.S. closes embassy in Syria, vows further pressure (Reuters)

Carl Levin calls Romney's defense budget criticism "just a political statement" (The Christian Science Monitor)

Are new unemployment figures a boost for Obama? (The Christian Science Monitor)