Assemblyman Chuck DeVore, R-Irvine, shown during a February session, is running against Carly Fiorina and Tom Campbell to be the Republican challenger to Democratic U.S. Sen. Barbara Boxer.One of a series of reports on the California candidates for U.S. Senate this year. Assemblyman Chuck DeVore wasted no time after his Republican caucus conceded to a three-year package of tax increases last year totaling $18 billion he promptly resigned as minority whip. "It was untenable for me," he said. That snapshot reflects one side of DeVore, a fierce advocate of cutting taxes, not raising them. But like a Rubik's Cube, there are many twists to the personality of the Irvine Republican fighting Carly Fiorina and Tom Campbell in the June 8 primary for the right to face Democratic U.S.