A majority of Republicans support making significant changes to Social Security and Medicare to ensure their costs are lower, according to a new Gallup survey. The poll found that 56 percent of Republicans backed making the changes compared to just 18 percent of Democrats. The health care and financial support programs are facing a funding shortfall that may hit as early as the mid-2030s. The programs, which serve around 70 million Americans each, also contribute to the larger U.S. federal