Deputy Attorney General Rod Rosenstein is expected to leave his role in the coming weeks, multiple sources familiar with his plans told ABC News.Rosenstein has communicated to President Donald Trump and White House officials his plan to depart the administration around the time William Barr, Trump's nominee for attorney general, would take office following a Senate confirmation.Sources told ABC News Rosenstein wants to ensure a smooth transition to his successor and would accommodate the needs of Barr, should he be confirmed.Rosenstein apparently had long been thinking he would serve about two years, and there was no indication that he was being...