I'm extremely against drunk driving, even in that kind of case. It's not hard to call a cab, and potentially save a life. If I feel even the slightest bit drunk, or can even smell alcohol on my breath, I won't drive. I've known a ton of people that don't care to drive fall down drunk, and I think it's just insane. Quite some time back, my aunt was hit by a drunk driver, and her knees were crushed in the collision. It completely ruined her life, as she made a living showing afghan hounds at professional dog shows. It was her career and her passion, and it was all taken away by some guy that couldn't just take a cab. There's no way that I could ever do that to someone. I'm sure the last thing he said before he got in the car was "It's fine, I'm cool to drive."