Steelers’ Kevin Colbert: Sometimes you have to draft character risks

Steelers G.M. Kevin Colbert announced last week that he was cutting running back Chris Rainey, just hours after Rainey was arrested — and just nine months after Colbert drafted Rainey, despite character concerns stemming from Rainey’s college career. But Colbert says that doesn’t make him think he can’t draft another character risk this year. Colbert…