Former Alaska Gov. Sarah Palin stumped for Gov. Rick Perry at a rally Sunday in suburban Houston, adding some national Republican star power to Perry's re-election campaign. “I doubt there is another public figure in our country who gives liberals a bigger case of the hives than our special guest today,” Perry said. “At the very mention of her name, the liberals, the progressives, the media elites, they literally foam at the mouth.” Palin appeared with Perry a day after the Republicans' most recent vice-presidential nominee addressed the first national convention of the anti-establishment “tea party” coalition in Nashville, Tenn....