Less than a split second can make all the difference at the Olympics.
Sunday night, millions of Americans sat on the edge of their seats and cheered Jason Lezak as he swam one of the best races in Olympic history and propelled the United States 4 X 100 freestyle relay team to a gold medal. In the process he kept Michael Phelps' quest for eight gold medals alive.Lost in the Lezak/Phelps hysteria was the silver...