DETROIT — A second member of an alleged plot to kidnap and hurt Michigan Gov. Gretchen Whitmer has agreed to plead guilty, giving federal prosecutors two key insiders to fight defense claims of entrapment during next month’s trial, according to a federal court filing Monday. Waterford Township resident Kaleb Franks, 27, will plead guilty to kidnapping conspiracy, which is punishable by up to life in federal prison, according to a plea deal filed in court Monday that reveals new details about how accused plotters focused their attention on the Democratic governor. Franks was scheduled to stand …