Earlier this month, in Tradesman International, Inc. v. Black, et al., 2013 WL 3949020 (7th Cir. 2013), the Seventh Circuit affirmed summary judgment against a plaintiff construction staffing firm that sued four former employees for violating restrictive covenants they signed while employed by plaintiff. The Plaintiff sought to enforce 18-month long and (effectively) nation-wide restrictive covenants (“non-competes”) that prevented defendants …