FILE - In this Oct. 6, 2015, file photo, the HealthCare.gov website, where people can buy health insurance, is displayed on a laptop screen in Washington. Fresh problems for “Obamacare.” The largest health insurer in Texas wants to raise its rates on individual policies an average of nearly 60 percent, a sign that President Barack Obama’s overhaul didn’t solve the problem of price spikes.  (AP Photo/Andrew Harnik, File)

WASHINGTON |  Republican leaders embarked on an ambitious plan Tuesday to try to sell their new health care proposal to rank-and-file lawmakers and the public, absent specifics on costs or how many Americans will be covered. Aurora and Colorado congressional representatives are mixed about the plan so far. “I like the concept of not repealing any […]

House Majority Leader Kevin McCarthy, R-Calif., followed by House Majority Whip Steve Scalise, R-La., head to a meeting with reporters on Capitol Hill in Washington, Tuesday, Feb. 28, 2017, before President Donald Trump's speech to the nation. A month into the new administration, the GOP is discovering the difficulties of making good on its promises on repealing Obama's health care law, and other issues. House Speaker Paul Ryan says he isn't frustrated though on Trump's lack of detailed direction, saying "I see him as more of a chairman." (AP Photo/J. Scott Applewhite)

The dispute comes a month into Trump’s presidency, and seven years after the Affordable Care Act passed a Democratic-controlled Congress with Barack Obama in the White House. Now the Republicans are in charge of the White House and Congress. Yet, having spent all those intervening years promising to uproot the law and replace it with something better, they find themselves flailing and divided at the moment of truth