The sudden cancellation of the impeachment vote and the warning issued to Donald Trump signal deep divisions within Congress and a strategic recalibration by Democrats. It underscores the political volatility surrounding Trump's actions and the difficulty of holding him accountable in a hyper-partisan climate.

A Democratic lawmaker is launching a renegade effort to impeach President Donald Trump, pushing past party leaders on Wednesday with an attempt to force a procedural vote in the U.S. House that is expected to fail.