Obama: 'If I had a son, he'd look like Trayvon'  —  President Obama weighed in Friday on the shooting of unarmed black teenager Trayvon Martin, calling it a national tragedy - and saying that the young man reminded him of his own children.  —  “When I think about this boy, I think about my own kids,” Obama said in Rose Garden remarks.

Trayvon Martin Would Be Alive but for His Hoodie  —  Demonstrators take to the streets during the Million Hoodie March, Wednesday, March 21, 2012 in New York.  A few hundred people were marching in New York City in memory of Trayvon Martin, a black teenager shot to death by a Hispanic neighborhood watch captain in Florida.

CNN's GUT CHECK for March 23, 2012  — n. a pause to assess the state, progress or condition of the political news cycle  —  BREAKING: NEW GALLUP POLL SHOWS ROMNEY WITH DOUBLE-DIGIT LEAD OVER SANTORUM: “Mitt Romney's national support among Republican voters has surged in recent days …

Romney, Santorum Comment On Trayvon Martin  —  After weeks of silence, candidates follow Obama's statement.  Santorum condemns law enforcement for dragging its feet, Romney calls it a tragedy.  —  Freddie Muse holds a sign at a rally to call for justice in the murder of Trayvon Martin at Leimert Park in Los Angeles, March 22, 2012.

Wisconsin GOP: Romney, 46%, Santorum 33%, Paul 8%, Gingrich 7%  —  Mitt Romney holds a double-digit lead over Rick Santorum in Rasmussen Reports' first look at the Wisconsin Republican Primary race.  —  A new statewide telephone survey shows that 46% of Likely Republican Primary Voters …

Romney Expands National GOP Lead  —  Now leads Santorum by double digits  —  PRINCETON, NJ — Mitt Romney's national support among Republican voters has surged in recent days, coincident with his decisive victory in the Illinois primary and a prominent endorsement from Jeb Bush.