"Doctor Shot," aka Dr. David Matlock, has been all over the news in the past few weeks. Why? Hint: If you're a native Angeleno, you've probably seen his ads for lunchtime "rejuvenation procedures" - and he's not talking mani-pedi. Dr. Matlock invented the "G-Shot" and it's been getting a lot of attention. As a man who lists "G-Spot Amplification" under "Research Activities" on his curriculum vitae, he takes this very seriously. Need facts and figures?......