Jennifer Granholm has been a Democratic Party star ever since she was elected Michigan's Governor in 2002. A cerebral centrist and former prosecutor with TV-ready glamour, Granholm coasted through her first two years in office with lofty approval ratings. But now the Governor, already hurt by Michigan's persistent economic woes, is facing a politically perilous decision: whether to grant clemency to a woman whose 1993 murder conviction in state court was later declared "a travesty" by a federal judge.
Kylleen Hargrave-Thomas, 53, has always claimed her innocence in the brutal stabbing murder of her boyfriend 14 years ago. In 2002,...