First responders search for survivors of last night's massive explosion 20 miles north of Waco, Texas. Residents provide eyewitness accounts.
Supporters of gun reform vow that yesterday's Senate filibuster was just the beginning of their fight.
Two more gun votes today.
The President and First Lady travel to Boston today as the investigation continues. 12 people are still in critical condition.
Headline in Mark Sanford's home state: "National GOP drops Sanford like hot potato."
"It’s rare for an incumbent to go on television more than 18 months before the election, especially without a declared opponent."