President Trump threatens 'severe consequences' if Putin blocks Ukraine peace, DC police takeover puts Democrats on defense on crime, and moving to a walkable city can add more than 1,000 steps to your day.

Even With Steve Bannon Sidelined, GOP Is Split in Senate Primary Fights.

The Trump White House saw a record number of first-year departures. The Wall Street Journal's Eli Stokols talks about how this will continue in 2018.