NEW YORK — You are 11-years-old, and you’re trying to beat your old man on a tennis court. He shellacs you. No mercy. But this is no casual backyard scuffle. It’s for the men’s championship of Shreveport, Louisiana. “I wanted to win more than anything in the world at the time,” Ryan Harrison, now 18, is saying after causing the first real shakeup in the young US Open. … [Read more...] about THE COMING AND GOING: HARRISON AND YOUNG