Sen. Lisa Murkowski

A narrowly divided Senate is putting two Republican women who support abortion rights and three red-state Democrats in the spotlight as the critical votes in the Supreme Court confirmation process.

There is still a scramble to lock down enough votes for GOP leaders to pass their overhaul of the nation's tax code. The bill is a work in progress on the Senate floor today.

Secretary of the Interior Ryan Zinke reportedly called Sen. Lisa Murkowski and fellow Alaskan Sen. Dan Sullivan to say their state could run into trouble with the Trump administration.