Rep. Keith Ellison (D-Minn.) is expected to make a last-minute entry into the race for Minnesota attorney general on Tuesday, according to two people familiar with his plans. “I will make a decision tomorrow because it’s the filling deadline,” Ellison said, not disputing that he is likely to enter the election. Ellison has been in Congress since 2007, and served as deputy chair of the Democratic National Committee since last year, as a leader of the Bernie Sanders wing of the party. But he’s been chafing for months at both roles: being in the minority in Congress and being subsumed...