text:  Live from NPR News in Washington, I'm Lakshmi Singh. Less than two weeks before the Republican National Convention, former President Donald Trump is notching legal wins and President Biden is fending off calls to step aside. At the White House today, Press Secretary Corrine Jean-Pierre portrayed a president who knows how to do his job, she says, despite concerns about Biden's acuity after some of his allies publicly acknowledged that he'd blown the debate against former President Trump last week. He knows how to come back.