Obama unveils sweeping gun-control push (5)

U.S. President Barack Obama and Vice President Joe Biden attend an event on gun violence reduction proposals at the White House in Washington D.C., capital of the United States, Jan. 16, 2013. Obama on Wednesday unveiled a sweeping and expansive package of gun violence reduction proposals, a month after the Sandy Hook Elementary School mass shooting killed 26 people including 20 schoolchildren. (Xinhua/Zhang Jun)