DODGE CITY - On Monday, John Martin, a meatpacker here, plans to skip work to attend a rally aimed at bolstering the call for immigration reform. "We want the work we do to be valued," he explained. "It's hard work in the plant." Fellow meatpacker David Gunion seconds that, wondering what would become of the plant without the workers, many of them immigrants. "Without us, the plant dies," he said. Fliers, e-mails and text messages are circulating like wildfire around southwest Kansas, calling on the zone's sizable Latino population to rally, skip work, skip school and boycott stores Monday to...