AdvertisementKyle Rittenhouse seen in bar flashing 'white power' signs, serenaded with Proud Boys anthem, prosecutors sayBiden: Proud Boys one of the greatest threats to AmericaKyle Rittenhouse seen in bar flashing 'white power' signs, serenaded with Proud Boys anthem, prosecutors sayHide TranscriptShow TranscriptPROFESSOR WHO ASKED PRESIDENT BIDEN ABOUT THE THREAT. >> U.W. MILWAUKEE PROFESSOR JOE BIDEN ABOUT WHITE SUPREMACISTS AND OTHER HATE GROOMS DURING TUESDAY NIGHT'S TOWN HALL IN MILWAUKEE. >> I APPRECIATE EFFORTS TO BRING THEM TO JUSTICE. I WORRY ABOUT THREATS FROM PEOPLE...…AdvertisementKyle Rittenhouse seen in bar flashing 'white power' signs, serenaded with Proud Boys anthem, prosecutors sayBiden: Proud Boys one of the greatest threats to AmericaKyle Rittenhouse seen in bar flashing 'white power' signs, serenaded with Proud Boys anthem, prosecutors sayHide TranscriptShow TranscriptPROFESSOR WHO ASKED PRESIDENT BIDEN ABOUT THE THREAT. >> U.W. MILWAUKEE PROFESSOR JOE BIDEN ABOUT WHITE SUPREMACISTS AND OTHER HATE GROOMS DURING TUESDAY NIGHT'S TOWN HALL IN MILWAUKEE. >> I APPRECIATE EFFORTS TO BRING THEM TO JUSTICE. I WORRY ABOUT THREATS FROM PEOPLE...WW…