 Fox's Brooke Simmons also reports other Democrats have yet to back Harris, despite her raising $50 million already. Former President Obama issuing a statement praising Biden's work in office without mentioning Harris, instead calling for an open process. Senator Joe Manchin, who initially had considered re-registering as a Democrat to run, just told CBS he will not. Two hours from now, Secret Service Director Kimberly Cheadle will testify at a House hearing in his security lapses in the Trump assassination attempt. Many Republican lawmakers...