A second member of the Dallas Cowboys' secondary has been suspended four games by the NFL with second-year safety Jakar Hamilton being sanctioned Thursday. Hamilton will miss the first four regular-season games for violating the NFL's substance abuse policy. Earlier this month, cornerback Orlando Scandrick was suspended four games for violating the league's performance-enhancing drug policy. Read more http://espn.go.com/dallas/nfl/story...ur-games-violation-nfl-substance-abuse-policy