WOODBURN -- Cesar Mora's customers disappeared in waves. Every time a rumor spread, his door stopped swinging open. Mora runs Zapateria El Jalicience, a clothing store in downtown Woodburn. Men used to come in every Saturday to buy leather boots and cowboy hats for weekend parties. Then President Donald Trump signed an executive order beefing up immigration enforcement. Federal immigration agents detained 11 men at a Woodburn gas station, leaving workers afraid to go to their jobs and children terrified to attend school. Boots made of ostrich, crocodile and eel hadn't been touched in weeks. Mora's business is down 80...