The U.S. Senate is seen on Capitol Hill in Washington, Tuesday, June 27, 2017, as Senate Majority Leader Mitch McConnell of Ky. faces challenges within his own party this week in advancing the Republican health care bill.
J. Scott Applewhite
/ AP
Senate Republicans on Thursday unveiled their plan to repeal and replace the Affordable Care Act — also known as Obamacare. The long-awaited plan marks a big step toward achieving one of the Republican Party's major goals.