| − | Democrat Martin O'Malley will likely run for a second term in 2010. O'Malley's approval rating has fallen to 33% after a series of tax increases. The race could become competitive if former Governor Robert Ehrlich seeks a rematch. | + | Democrat Martin O'Malley will likely run for a second term in 2010. O'Malley's approval rating have fallen to 33% after a series of tax increases. The race is expected to become competitive with former Governor Robert Ehrlich seeking a rematch. |