Alex Wagner takes over Rachel Maddow's old timeslot on MSNBC / Chelsea Handler guest-hosts Jimmy Kimmel Live! in wake of Roe v. Wade decision / NBC primetime special to raise money for Ukraine

PLUS: HBO announces Succession Season 4 has begun filming with a return to 10 episodes.

MSNBC names Alex Wagner to succeed Rachel Maddow at 9 p.m. four nights a week
Starting Aug. 16, Wagner will take over MSNBC’s linchpin 9 p.m. timeslot between Tuesdays and Fridays that Rachel Maddow o…