White House aide resigns after allegations of spousal abuse

Rob Porter, center, hands President Donald Trump a confirmation order
In this Jan. 20, 2017 photo, White House Staff Secretary Rob Porter, center, hands President Donald Trump a confirmation order for James Mattis as defense secretary, in the Oval Office of the White House in Washington, as White House Chief of Staff Reince Priebus, right, watches.
Evan Vucci | AP 2017