Emboldened Biden, Democrats keep pushing assault weapons ban

FILE - Sen. Joe Biden, D-Del., chairman of the Senate Judiciary Committee, holds a TEC-9 semi-automatic weapon during a hearing of the committee on Capitol Hill, Aug. 3, 1993, as the committee holds hearings on combating the proliferation of assault weapons. (AP Photo/Barry Thumma, File)

Emboldened Biden, Democrats keep pushing assault weapons ban