A Lame Duck Squawks, But Why?  —  After his gun control proposals were defeated today in the Senate, President Obama gave a speech in the Rose Garden, surrounded by Joe Biden, Gabrielle Giffords, and Newtown parents.  He went on what can charitably be described as an angry rant.

Gun-control overhaul is defeated in Senate  —  President Obama's ambitious effort to overhaul the nation's gun laws in response to December's school massacre in Connecticut suffered a resounding defeat Wednesday, when every major proposal he championed fell apart on the Senate floor.

Live video: Explosion, injuries reported at fertilizer plant near Waco in West, Texas  —  A massive explosion at a fertilizer plant rocked the town of West, north of Waco, causing multiple injuries and leaving people trapped and buildings on fire.  —  Firefighters were reported among …

Fertilizer plant explosion injures at least 160 in central Texas; 5 to 15 feared dead  —  A massive explosion at a fertilizer plant in central Texas Wednesday night left more than 160 people wounded and killed an estimated five to 15 people, officials said, likely including firefighters …

Explosion hits fertilizer plant north of Waco, Texas  —  Are you there?  Please send photos and videos to iReport, but please stay safe.  —  (CNN) — An explosion ripped through a fertilizer plant Wednesday night in the area of West, Texas, sending a massive fireball into the sky and causing dozens of injuries, officials said.

Authorities circulate photos of two men spotted carrying bags near site of Boston bombings  —  Investigators probing the deadly Boston Marathon bombings are circulating photos of two men spotted chatting near the packed finish line, The Post has learned.  —  In the photos being distributed …

Report: FBI to release video of two suspects in Boston bomb attack  —  Law enforcement officials plan to release images of two suspects in the bombing of the Boston Marathon, the Boston Globe reported Thursday.  —  According to the paper, the suspects were seen separately on video gathered …

How the gun lobby has already blocked Boston's bombing investigators  —  One avenue of investigation is already closed off to forensic officials working the Boston Marathon bombing case due to efforts dating back decades by the National Rifle Association and gun manufacturers.

Feds arrest suspect in ricin-positive letters sent to Obama, senator  —  The ricin-laced letters sent to President Obama and Mississippi Sen. Roger Wicker were both postmarked April 8 and sent from Memphis, Tenn., signed “I am KC and I approve this message.”  A third letter went to Michigan Sen. Carl Levin.