Hilton Hotels is tearing down its signs in front of the Minneapolis-area Hampton Inn property that allegedly refused service to Department of Homeland Security (DHS) agents.  It's the latest move by Hilton that underscores its attempt to sever its relationship with the Hampton Inn in Lakeville, a Hilton brand that's run independently by Everpeak Hospitality. Hampton by Hilton Hotels are primarily owned and operated by independent franchisees, but they are required to follow Hilton's brand standards.The sign ...