Dr. Michael Osterholm, Mike Waltz, Ret. Adm. William H. McRaven

U.N. Amb. Mike Waltz joins ‘This Week' to discuss the ongoing negotiations between the U.S. and Iran. Adm. William McRaven, former U.S. Special Operations commander, discusses what could come next for the war. ABC News' Washington Bureau Chief Rick Klein breaks down how recent court rulings on redistricting could impact the midterms. ABC News' Maggie Rulli reports from Tenerife, Spain. ABC News' Jay O'Brien reports on the latest release of UFO files from the Pentagon. The Powerhouse Roundtable breaks down the political headlines of the week. Martha Raddatz reports from battleground Pennsylvania with six months until midterms.