The Republican-controlled Senate held a marathon voting session Monday on President Donald Trump’s massive tax cut and spending bill.

A marathon vote series is underway in the Senate after the chamber debated President Trump's massive tax bill into the wee hours of the morning as Republicans work to pass the centerpiece legislation of Mr.

The outcome is slightly uncertain because Republicans, who hold a 53-47 majority, face united Democratic opposition − and the defection of at least two of their own members.Start the day smarter. Get all the news you need in your inbox each morning.