When I was nine years old, I saw a movie called Cop and a Half starring Burt Reynolds as a cop who teams up with a young black boy (Norman D. Golden II) to solve a murder. It's a better movie than you probably remember, and one I liked quite a bit as a kid. Michael Dowse's new Netflix movie Coffee & Kareem is cut from the same crime comedy cloth, but its target audience is decidedly different. Cop and a Half was rated PG and aimed at families, whereas Coffee & Kareem is very much an R-…