In Grisly Image, a Father Sees His Son  —  BOSTON — When Jeff Bauman woke up in a hospital bed on Tuesday, an air tube was down his throat, both of his legs had been amputated at the knee, and his father was by his side.  He tried to talk, but he could not.

Jack Kingston urged Guard ‘take a pass’ on Boston Marathon  —  A year ago, Rep. Jack Kingston was so concerned about the National Guard's shriveling budget that he wanted it to “take a pass” on major events like “the Boston Marathon.”  —  The Georgia Republican pleaded with the guard's leaders …

Bomb Details Emerge in Boston Case  —  BOSTON — The explosives used to kill three people and injure 176 at the Boston Marathon on Monday were likely some kind of “pressure-cooker” devices that sent sharp bits of shrapnel flying into victims in the vicinity of the blast, several law enforcement officials said Tuesday.

How long until we know?  —  It's been more than 24 hours since the explosions in Boston.  But while new details emerge by the hour, the question on so many people's minds remains unanswered: Who did it?  —  “The range of suspects and motives remains wide open,” FBI Special Agent Richard DesLauriers said …

Report: 2 escorted off Boston plane  —  Officials in Boston are taking no chances, a day after the tragedy at the Boston Marathon — including on flights out of nearby Logan Airport.  —  A plane headed to Chicago was brought back to the gate at Logan Airport, after some passengers …

Militia Groups Denounce Boston Marathon Attack  —  Early speculation that militias were behind the bombings are “totally off-base,” says one leader.  “This was a target of civilians, which is reprehensible by every measure of what we hold to our values.”  —  Via: Adrees Latif / Reuters

Reinhart-Rogoff, Continued  —  I was going to post something sort of kind of defending Reinhart-Rogoff in the wake of the new revelations — not their results, which I never believed, nor their failure to carefully test their results for robustness, but rather their motives.

Envelope tests positive for ricin at Washington mail facility  —  Washington (CNN) — An envelope that tested positive for the deadly poison ricin was intercepted Tuesday afternoon at the U.S. Capitol's off-site mail facility in Washington, congressional and law enforcement sources tell CNN.