At the 1940 Republican National Convention itself, keynote speaker Harold Stassen, the Governor of Minnesota, announced his support for Willkie and became his official floor manager. Hundreds of vocal Willkie supporters packed the upper galleries of the convention hall. Willkie's amateur status and his fresh face appealed to delegates as well as voters. The delegations were selected not by primaries but by party leaders in each state, and they had a keen sense of the fast-changing pulse of public opinion. Gallup found the same thing in polling data not reported until after the convention: Willkie had moved ahead among Republican voters by 44% to only 29% for the collapsing Dewey.