President Trump initiates a nuclear renaissance with executive orders to advance reactor designs, aiming to expand US nuclear capacity to 400 GW by 2050.

Among a flurry of executive actions, Mr. Trump directed the nation’s nuclear safety regulator to speed up approvals for new reactors.

President Trump spent the late morning signing executive orders at the White House. The event was held before the president leaves for Joint Base Andrews. You can watch the live stream of Tucson Now at TucsonNow.

Live updates and the latest news as Trump seeks to boost nuclear energy; judge blocks administration from barring Harvard international students

The president has long complained that the United States pays more for medicines than other wealthy countries. But he offered no clear legal authority to mandate lower prices.

The U.S. Supreme Court has acted in a series of cases involving challenges to executive orders signed by President Donald Trump and actions by his administration since he returned to office in January.