Dave Sitton sought the Republican nomination in the special election but in February 2012 did not commit to run in the regularly scheduled election if unsuccessful in the special election .
Dave Sitton is a sports announcer for the University of Arizona .
Dave Sitton , a sports announcer for the University of Arizona , sought the Republican nomination in the special election but in February 2012 did not commit to run in the regularly scheduled election if unsuccessful in the special election .