Mark McClusky says for elite athletes today, pushing boundaries and breaking records is all about "the aggregation of marginal gains."
Both President Barack Obama and Republican Mitt Romney’s campaigns see Ohio as decisive to the presidential election. They’re both spending a lot of time there, and plenty of money on ads. The most recent polls show Romney trailing the president slightly in Ohio. Romney plans to join running mate Rep. Paul Ryan in Lancaster, Ohio, on Friday night for a rally.