Lawmakers walk out of the US Capitol in Washington, DC, on May 4, 2017 after the House of Representatives narrowly passed a Republican effort to repeal and replace Obamacare, delivering a welcome victory to President Donald Trump after early legislative stumbles. Following weeks of in-party feuding and mounting pressure from the White House, lawmakers voted 217 to 213 to pass a bill dismantling much of Barack Obama's Affordable Care Act and allowing US states to opt out of many of the law's key health benefit guarantees / AFP PHOTO / NICHOLAS KAMM (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)
