Jill Biden on Hunter: 'I know' that he's innocent

First lady Jill Biden said in a new interview that she is confident her stepson Hunter Biden is innocent in the investigations against him. "Everybody and their brother has investigated Hunter," the first lady told NBC News in an interview released on Friday. "They keep at it, and at it, and at it. I know that Hunter is innocent. I love my son, and I will keep looking forward." President Biden's son has been a frequent source of GOP attacks. In particular, Hunter Biden's financial dealings in Ukraine, China and Kazakhstan have faced intense scrutiny from Republicans. Earlier this month,…