The Senate voted via unanimous consent on Tuesday on a resolution calling for the Trump administration to release to the Senate Intelligence Committee a whistleblower complaint that allegedly involves President Trump and Ukraine.

Why it matters: The resolution is non-binding, but it's a rare show of bipartisanship on an issue that threatens to spark an official impeachment proceeding in the House. The House will vote on a similar resolution on Wednesday. The Senate Intelligence Committee has opened a bipartisan investigation into the complaint and is currently in talks to bring in the whistleblower for a closed-door testimony.