President Donald Trump, flanked by Vice President Mike Pence and Chief of Staff Reince Priebus, signs his first executive order on health care, Friday, Jan, 20, 2017, in the Oval Office of the White House in Washington. less President Donald Trump, flanked by Vice President Mike Pence and Chief of Staff Reince Priebus, signs his first executive order on health care, Friday, Jan, 20, 2017, in the Oval Office of the White House in … more WASHINGTON – President Donald Trump ‘s f irs t executive order targets the sweeping “Obamacare” law by giving federal agencies broad leeway to chip away at the measure.