Boston Bombing Update: Senate Takes Up Gun Bill

Chapter 1: Police making "signfiicant progress" in Boston Marathon bombing investigation

Authorities have said there is “significant progress” in the investigation into the Boston Marathon bombing. In Chapter 1, we will go to Boston where they will be convening at press conference to discuss where they are.

Chapter 2 and 3: U.S. Senate takes up gun regulation bill

The U.S. Senate is voting on the Manchin-Toomey bill to expand background checks in gun purchases. In Chapter 2, we will talk to John Rosenthal, Founder of Stop Handgun Violence. Later, in Chapter 3, we’ll talk to Michael Hammond, Legislative Counsel at Gun Owners of America.