Ukrainian President Volodymyr Zelenskyy said that President Donald Trump's summit with Russian President Vladimir Putin in Alaska gave the Russian leader what he wanted. Republican Rep. Thomas Massie said Sunday that those who might be in the Jeffrey Epstein files need to be held accountable regardless of their social status. ABC News' George Stephanopoulos interviews Rep. Ro Khanna. D-Calif., and Rep. Thomas Massie, R-Ky., about their joint legislation to force a House vote on releasing the Epstein files. New Jersey Governor Chris Christie, former DNC Chair Donna Brazile, former RNC Chair, and Trump White House chief of staff, Reince Priebus, and "USA Today" Washington Bureau chief Susan Page. ABC News' George Stephanopoulos interviews Robert Malley about his new jointly authored book about the Israel-Hamas conflict on "This Week."