“"Accident Murderers" suggests that Nas' upcoming Life Is Good might shake him out of his long run of disappointing releases. Like a lot of latter-day Nas, it boils down to a numbers game, as much about missteps avoided as good decisions made: No I.D. is behind the boards, and he samples a fevered, propulsive Hammond organ lick. Rick Ross is here, and he's using his verse to remind his audience tha”