President Trump lashes out at his former White House Counsel, disputing a key finding of the Mueller report. But Don McGahn is hardly the only top Trump aide who -- under oath - detailed presidential efforts to stymie the special counsel investigation.

And Joe Biden is in: The former Vice President joins the Democratic race for president with a video that aims big, and directly at an incumbent Biden calls a threat to American values. One issue on day one: Dealing with Barack Obama's decision to stay out of the crowded primary race.

Today's Panel: Julie Pace with The Associated Press, CNN's Manu Raju, Matt Viser with The Washington Post, and TIME's Molly Ball.

Also on the program: CNN's Arlette Saenz via Knit