The U.S. Supreme Court dealt congressional Republicans’ efforts to roll back Obamacare a severe blow when it ruled to uphold all the law’s subsidies for low-income individuals to purchase insurance, solidifying the health care law as a key part of President Barack Obama’s legacy. GOP leaders on Capitol Hill vowed to keep up the fight to dismantle Obamacare, but the reality is they have virtually no path to get rid of the law while Obama is still in the White House.