Today is National Radio Day. In my life, it means almost as much as my birthday. I've been lucky enough to earn my living doing what I always wanted to do. From the time I was a little kid I just wanted to be on the radio. My dad laughed at Bill Bailey's jokes. I loved WAKY radio and the lunacy I heard from its deejays. I was hired at WHAS in 1985 for my sarcastic comedy streak, but the job evolved into conducting news making interviews with the powerful and prominent. Sometimes people become more prominent after appearing on my show. After some of my WAKY buddies helped me put together an audition tape in 1976, I was hired by