Deputy national security adviser Dina Powell will step down from her position early next year, the White House said Friday. Powell, who took on the role in March, is among several aides expected to leave the administration following President Trump's first year in office. She is in talks to continue advising Trump from the outside. Powell is leaving on good terms and chose to depart on her own, according to The Washington Post, which first reported her exit. “Dina Powell has been a key, trusted advisor in this administration,” White House press secretary Sarah Huckabee Sanders said in a statement....