Former Rep. Barney Frank: Many Democrats have a problem with Bloomberg's record

In the latest Quinnipiac poll, former Vice President Joe Biden is back in the lead with 24% and a surprise jump to the second spot by South Bend, Ind. Mayor Pete Buttigieg. Former New York City Mayor Michael Bloomberg is tied for fifth place at three percent. Lanhee Chen, research fellow at the Hoover Institution, and former Congressman Barney Frank, join "Squawk Box" to discuss the state of the Democratic presidential primary thus far.