The Senate narrowly approved President Donald Trump's signature second-term policy bill, a nearly 900-page package packed with tax cuts and other campaign promises, in a major legislative victory for the president that came after a tense debate within his party that stretched on for nearly four days.

Senate Republicans on Tuesday passed the largest cuts to Medicaid since the program began in the 1960s, a move that would erode the social safety net and cause a spike in the number of uninsured