President Donald Trump and congressional Republicans risk serious political peril if they do not take steps to shore up a key part of Obamacare, a leading health-care advocacy group warned Tuesday as it unveiled a new public opinion poll showing strong support for such steps.

“It is clear that Americans will blame the Trump administration and Republicans in Congress for any failure” with Obamacare, said Leslie Dach, chairman of the <a nofollow” href=””>Health Care