021020 504 Bernie Sanders and Pete Buttigieg's presidential campaigns have filed requests for a partial recanvass of the results of Iowa's Democratic caucuses. In today’s filing, the Sanders campaign cited "mathematical errors and inconsistencies" in more than two dozen caucus locations that it says would change the results if amended. The Iowa Democratic Party says the Buttigieg campaign requested a check on results in 66 precincts. Current results show Buttigieg with a razor-thin lead over