It's Michigan vs. Massachusetts--and we're not talking about the NBA Eastern Conference Finals! Those states' pensions funds are hoping to lead a lawsuit against Bear Stearns over its fall. The Sun reports it's likely Michigan will be the lead state, since its $62 million in losses (pension fund participants were state employees like teachers, judges and cops) are bigger than Massachusetts' $21 million. The centerpiece of Bear Stearns news is the first Wall Street Journal......