Senate Republicans are hoping to vote on the massive $4 trillion tax cut legislation as early as Saturday despite opposition from several of their members.

The Senate plans to hold a key test vote on President Trump's "big, beautiful bill" later Saturday, even as it's unclear whether the tax and spending measure has enough support to lift it over the hurdle.

Senate rules require removing a plan to charge feeds on new migrants seeking asylum in the U.S. and relocating Space Shuttle Discovery to Houston.