In the weekly presidential address, Newtown mother Francine Wheeler filled in for President Obama.  Wheeler's 6-year-old son Ben was killed in the Sandy Hook Elementary School shooting on December 14, 2012.  It's the first time in this administration that someone other than the president or vice president has delivered the address.  

In her statement, Wheeler made a very personal plea for gun control legislation:

"And in the four months since we lost our loved ones, thousands of other Americans have died at the end of a gun.  Thousands of other families across the United States are also drowning in our grief.  Please help us do something before our tragedy becomes your tragedy."

This week, the Senate voted to start debate on a gun bill, which includes expanded background checks and new penalties for gun trafficking.