Joe Biden says Bernie Sanders' campaign ‘doctored video’ to misrepresent Social Security record; Sanders campaign flatly denies

Joe Biden is accusing Bernie Sanders' presidential campaign of sharing a "doctored video" that Biden says incorrectly reflects his stance on Social Security. Sanders campaign officials say the video isn’t ‘doctored’ and stand by their Biden critique

At a campaign stop at Simpson College in Indianola on Saturday, a woman in the crowd asked the former vice president about his stance on Social Security. She said people have called her to express concerns about it.

"Well, let’s get the record straight," Biden said. "I’m not going to blame anybody,...