Sen. Mark Warner, Rep. Michael McCaul

Sen. Mark Warner, D-Va., reacts to new developments in the Maine Senate race. Rep. Michael McCaul, R-Texas, joins "This Week" in an exclusive interview to discuss his vote to send more aid to Ukraine. ABC News' Selina Wang reports from Maine on the high-stakes Senate race upended by scandal. Rick Klein breaks down the state of play in the battle for Senate control. ABC News' Ian Pannell reports from Russia as the country's war with Ukraine intensifies. The Powerhouse Roundtable analyzes the political headlines of the week. ABC News honors former correspondent Jim Wooten.