A U.S. military strike in Iraq killed a militia commander responsible for the attacks that killed three American service members. NBC News Chief Political Analyst Chuck Todd talks about the chaos in Congress after the Senate failed to pass a bipartisan border security bill. National Political Correspondent Steve Kornacki explains Nikki Haley’s loss in the Nevada Republican Primary. NBC News Correspondent Ali Vitali sits down with Sen. Bob Casey (D-Pa.) to discuss his consequential re-election campaign. The Supreme Court prepares to hear arguments in former president Trump’s Colorado ballot case.

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