After bitter debate, Romney and Santorum eye Mich. (AP)

Obama to address gas prices, pitch energy policy (AP)

Rapid-fire attacks across Iraq kill 50 people (AP)

FACT CHECK: Errant claims on auto bailout, taxes (AP)

US, NKorea in first nuclear talks since Kim death (AP)

Newark mayor seeks probe of NYPD Muslim spying (AP)

2 charged in death of Ala girl forced to run (AP)

High season for tornadoes ahead, eyes on Southeast (AP)

Ohio church offers drive-thru for Ash Wednesday (AP)

Lin, Knicks rout Hawks 99-82, head to Miami (AP)

Romney clawing his way back in Republican race (Reuters)

Syrian tanks attack in Homs, world outrage grows (Reuters)

Greece readies debt swap under bailout deal (Reuters)

Iraq attacks kill 60, raise sectarian fears (Reuters)

Euro zone economy to shrink in 2012 (Reuters)

Afghan soldier "kills two NATO troops" at protests (Reuters)

Thousands back Putin's presidential bid in Moscow (Reuters)

Iran talks failure sparks confrontation fears (Reuters)

'Diddy' as TV mogul? Why new network could face steep challenges. (The Christian Science Monitor)

Supreme Court debate: Is lying about being a war hero protected speech? (The Christian Science Monitor)