Cory Booker Announces 2020 Presidential Bid; Elizabeth Warren Apologizes to Cherokee Nation for DNA Test; Catholic Church in Texas Names Almost 300 Priests Accused of Child Sexual Abuse; At Least 20 Killed By Polar Vortex; Chicago Woman Books Hotel Rooms for Homeless People; Top Stories Briefs: 304k Jobs Added; Foxconn Commits $10B; U.S. Withdraws From Missile Treaty; DeafBlind Man Charlton LaChase Sentenced 18 Months For ISIS Threats​