Black Like Moi reports: We’ve all heard of the hooker with a heart of gold, but what about the john? Two prostitutes-in-training were busted on the outskirts of Chicago after a potential client  concerned that they might be underage called the police. He saw the girls’ listed on Backpage.com, a classified style website, and was worried because one of them looked about “16-years-old,” reports the Chicago Tribune. After finding the…