Department of Homeland Security Sec. Alejandro Mayorkas exclusively joins Meet the Press to discuss the border and the GOP’s desire to impeach him. Mitch Landrieu, national co-chair of the Biden campaign, reacts to Robert Hur’s report on the president’s handling of classified documents. Fmr. Gov. Chris Christie (R-N.J.) talks about how he plans to stop former President Trump from getting re-elected. Peter Alexander, Brendan Buck, Amna Nawaz and Jen Psaki join the Meet the Press roundtable.