Obama unveils sweeping gun-control push (7)

U.S. President Barack Obama's signature is seen on one of the 23 executive orders on gun violence he signed during an event 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)