3. Obama's victory in the hotly contested swing state of Ohio - as projected by TV networks - put him over the top in the fight for the 270 electoral votes needed to clinch the White House and ended Romney's hopes of pulling off a string of swing-state upsets。
4. Until now, testing reliably for lead was expensive and meant sending away samples for analysis.
5. Rounding out the top three is Fleetwood Mac at $59.5 million. Though the band contains three men, it also boasts two high-profile ladies—Stevie Nicks and the recently-returned Christine McVie—rendering the group eligible for this list. Its On With The Show tour included 86 concerts during our scoring period, grossing well over $1 million per city.