WASHINGTON (AP) — After a weekend of setbacks, the Senate will try to sprint ahead Monday on President Donald Trump’s big bill of tax breaks and spending cuts despite a series of challenges, including the sudden announcement from one GOP senator that he won’t run for reelection after opposing the package over its Medicaid health care cuts.

Entering the final stretch of an arduous process, the Republican-controlled Senate began voting Monday on amendments to President Donald Trump's massive tax cut and spending bill, with the goal of passing it later in the day.

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