Biden to address the nation on Trump's shooting as he works to balance politics with calls for unity

President Joe Biden is addressing the nation Sunday afternoon after a Situation Room briefing about the apparent assassination attempt on his predecessor, Donald Trump. The announcement of Biden’s planned remarks comes after homeland security and law enforcement officials briefed Biden, and as the White House continues to call for national unity and condemn the stunning act of violence. Biden's team is grappling privately with how to manage the political implications of a shooting targeting the man the president hopes to defeat in November’s election. Calibrating the right tone going forward could be especially challenging, with Election Day less than four months away.