With five Republicans already declared to be in the race for the presidential nomination, Rep. Greg Heartsill has already chosen a candidate. Heartsill is serving on Sen. Ted Cruz's Iowa leadership team. "I admire him," Heartsill said is the reason he chose to join Cruz's camp, so early in the caucus campaign. He described Cruz as a courages conservative who "talks the conservative talk and walks the conservative walk." Heartsill is serving the Cruz campaign strictly as a volunteer. House ethics rules would allow him to be a paid consultant, but he does not want that role. "I'm working for...