The Democratic presidential hopeful had a heart procedure after suffering chest discomfort during a campaign event Tuesday and canceled campaign events until further notice. "He was found to have a blockage in one artery, and two stents were successfully inserted," senior campaign adviser Jeff Weaver said, adding that Sanders is "conversing and in good spirits." Do you think there should be an age limit to be president?

Trump is 73, Biden is 76 and Warren is 70, Were you aware of these advanced ages?