President Biden vows to keep "working every day" for the release of Wall Street Journal reporter Evan Gershkovich, who's been "wrongfully detained" by Russia for a year.
Jane Dorotik was convicted of her husband's murder but says some so-called bloodstains presented at trial were never tested and others were not blood at all.
The endorsement of President Biden comes as independent candidate Robert F. Kennedy Jr. is calling on his family's ties to the Latino community and the civil rights leader.