One of Houston Mayor Annise Parker's most visible goals since taking office in January has been to shake up the agency that oversees buses, rail and other forms of transit in and around the city. Parker's criticisms of the Metropolitan Transit Authority (known as Metro to those who speak Houston) have been music to the ears of Republican Gov. Rick Perry, who is trying to hold off a November challenge from Parker's predecessor, Democratic gubernatorial candidate Bill White. Through press statements and Web videos and under the predictable mantra of "Metrogate," Perry's team has packaged Parker's criticisms with a series...