FILE - Former President Barack Obama speaks to Vice President Kamala Harris during an event on the Affordable Care Act in the East Room of the White House in Washington, April 5, 2022. Former President Barack Obama and former first lady Michelle Obama endorsed Kamala Harris. In her bid for the White House, the vice president received the expected but still crucial support of two of the country's most popular Democrats. (AP Photo/Carolyn Kaster, File)