With the Iraq War entrenched as a major issue for Democratic presidential candidates, Sen. Joe BidenJoe BidenBiden says he will rejoin WHO on his first day in office Tammy Duckworth is the epitome of the American Dream Mexico's president uses US visit to tout ties with Trump MORE (D-Del.) has said he wants Congress to repeal its 2002 authorization of the president’s use of force.

Biden is preparing a proposal with Sen. Carl Levin (D-Mich.). Below, Biden explains his intentions in a speech at the Brookings Institution.

He says the original authorization to destroy weapons of mass destruction, bring Iraq into accordance with U.N. resolutions and, if necessary, depose Saddam Hussein “is no longer relevant to the situation in Iraq.