It's tough because while at times their commentary isn't always the greatest, I do like all 3 as personalities. Also, since this is Keep, Fire, Hire…does that mean one of them just goes away? If so, I think JBL should be the one to go away.
Fire-Lawler. It's not that he isn't good at his role, but for my personal tastes he doesn't add much to the overall product, and is mainly there to provide little anecdotes, which sometimes work, but often times don't.
Keep-Cole. I know he can be annoying (especially when he's being feed stupid lines by Vince), but the guy is a seasoned pro, and he can play a wide range. He's been funny, called color, been serious, been heel. It's not his fault the position he's been put in. If you heard him on NXT season 3, or some of the leaked tapes that have come out, you would know he can be absolutely hilarious if they actually let him be himself.
Hire-? This is the hardest one for me, as I could make an argument for a few people. Part of me wants to see JR back, but if I'm being honest in his last few appearances, he seemed a little out of his groove, and with his age and health it probably wouldn't be the smartest hire in the world. Matt Striker seems another good possibility, to play the straight man to Cole's personality, but sometimes Striker was so knowledgeable that he came across as dry. Still he did do a good job when called to task. Actually, here's a left field answer (not that it's even possible): CM PUNK: For those few weeks that he was on commentary a couple of years back, he was absolute gold, great timing, funny, and also a recent enough worker that he can really speak from expertise and provide a perspective the others couldn't so, my hire vote goes to Punk, but I'd be happy with either of the other two.