With Sens. Rand Paul and Thom Tillis opposed to the package, GOP leaders can afford only one more defection. And multiple Republicans aren't yet sold on the measure.

U.S. Senate Republicans were struggling to pass President Donald Trump's sweeping tax-cut and spending bill early on Tuesday, amid deep divisions within the party about its expected $3.3 trillion hit to the nation's debt pile.

Flake. Corker. Romney. And now, Sen. Thom Tillis. The roll call of Republican senators in the U.S. Congress who have called it quits, rather than endure a political career sideways with President Donald Trump,