MINISERIES PREMIERE: Frank Darabont, in his first TV outing since leaving The Walking Dead, presents a new six-hour miniseries (presented in weekly two-hour chunks) about L.A. mobsters and coppers, set in 1947. It’s pure Raymond Chandler territory, where everyone smokes, talks tough, and drives vintage cars on city streets that always seem coated with puddles and reflective water, even in Los Angeles. The bad news is that the characters talk too much while registering too little, and even