The 47th Annual Academy of Country Music Awards are tonight in Las Vegas. Despite the strange omission of some superstars (Keith Urban, anyone??), the list of nominees is a virtual Who's Who in the business. So, Dave Spencer and I decided that we would study the list of nominees and try to pick the winners. Now, we admit . . . it would probably have been easier to pick the winning numbers in the Mega Millions jackpot, but, like Pat Benatar, we're going to hit it with our best shots. And, the nominees are . . .