Jen Psaki breaks down the final steps for Kamala Harris before she announces a running mate. Jim Messina and Claire McCaskill join Jen to discuss what the inner-workings of Harris's high-stakes decision-making process looks like. Next, Jen outlines Trump's plans to rid the Republican party of everyone who isn't sufficiently obedient amid the announcement of a new group called "Republicans for Harris," which includes over two dozen former GOP elected officials. Former Republican Rep. Joe Walsh joins the show to discuss the group's efforts to defeat Trump. Later, Sherrilyn Ifill joins the show to discuss the latest Clarence Thomas ethics scandal. Jen also shares some thoughts on Robert F. Kennedy Jr.'s bizarre admission that he transported a dead baby bear carcass to Central Park a decade ago. Finally, Jen is joined by Ben Wikler, the Democratic party chair of Wisconsin, to preview Harris's running mate announcement on Tuesday and discuss the state of the presidential race in Wisconsin.