Former Vice President Joe Biden and Minnesota Sen. Amy Klobuchar on Sunday took aim at Mike Bloomberg ahead of Wednesday’s Democratic debate in Las Vegas, for which the former New York City mayor has not yet qualified.

"$60 billion can buy you a lot of advertising, but it can't erase your record," Biden told "Meet the Press." Klobuchar echoed those comments, saying: "He just can't hide behind the airwaves. He has to answer questions."

Read more on this story at NBCNews.com and watch "Meet the Press" Sunday morning.