FILE - In this Tuesday, Feb. 5, 2019 file photo, former Democratic Texas congressman Beto O'Rourke laughs during a live interview with Oprah Winfrey on a Times Square stage at "SuperSoul Conversations," in New York. O'Rourke formally announced Thursday that he'll seek the 2020 Democratic presidential nomination, ending months of intense speculation over whether he'd try to translate his newfound political celebrity into a White House bid. (AP Photo/Kathy Willens, File)