The former chairman of the Oakland County Democratic Party will be sentenced in December after entering a no contest plea to charges related to allegations of voter fraud. Michael McGuinness was charged earlier this year with three counts of uttering and publishing, and three counts of perjury. He and Jason Bauer, the former political director of the county’s Democratic Party, were accused of fraudulently entering the names of three people as candidates for a group calling itself The Tea Party for county commission or state Senate seats to appear on the November 2010 ballot. ...... Oakland County Executive L. Brooks...