U.S. Sen. Michael Bennet, left, and Attorney General Phil Weiser, both running for the Democratic nomination for governor of Colorado, shake hands after a debate at the Denver7 studios on May 7, 2026, in Denver. (RJ Sangosti/The Denver Post/TNS) DENVER - Attorney General Phil Weiser has a clear lead over U.S. Sen. Michael Bennet in the closing days of the Democratic primary for governor, according to a poll from a pro-Weiser group released Thursday.