MEXICO CITY (Reuters) - Mexico's Supreme Court on Wednesday will review the case of a French woman serving a 60-year sentence for kidnapping, a conviction that has caused a long-running diplomatic spat with France. Florence Cassez, 38, was convicted in 2008 for participating in a kidnapping ring, but the legal process was riddled with irregularities, prompting criticism of Mexico's justice system and protests from France over her treatment. ...