Sen. Chris Murphy (D-Conn.) was the Democratic lead on the much anticipated bipartisan border legislation that was supposed to sail through the Senate and unlock funding for the war in Ukraine. But everything went sideways this week when Republicans, at Donald Trump’s insistence, abruptly turned against the bill. On this episode of Deep Dive, Sen. Murphy tells host and Playbook co-author Ryan Lizza what really happened behind the scenes in the negotiations that assembled the bill and how things unraveled so fast.