Democrats are feeling a renewed vigor over Obamacare, whose public approval rating keeps climbing as popular vote loser Donald Trump's approval rating slides ever downward. While their prospects seem to be looking up, Republicans face a complicated and ugly future on the law—and the threats Trump keeps making to sabotage it. President Trump is threatening to cut off federal subsidies that benefit middle class Americans who access health insurance through the Affordable Care Act—unless Senate Democrats agree to fund a security wall along the Southern border. Congressional Republicans have little desire to prop up Obamacare.