Editor's Note: Todd posts his vibes in real time each day on our Buzz & Banter. I was chewing through my charts this morning as I do and my first impression was Donna Summer. He said what? Yes Donna Summer the disco diva born LaDonna Adrian Gaines. That Donna Summer. Why? Because since I spied the patterns in the S&P and NDX I haven't been able to get the five-time Grammy winner out of my crowded keppe (and I'll bet you can't either). Last dance last chance for love. Yes it's Boo's last chance for romance today.... And why ...