Never doubt the great and powerful Oz

"Iranian activists -- trying to blanket New York City with their trademark green color -- lobbied to bathe the top of the Empire State Building in green light all this week during their rallies against Iran's president, who is visiting the United Nations. The request was rejected. But on Thursday, to the protesters' delight, it will be green anyway, for another reason: an "Emerald Gala" for the 70th anniversary of the film The Wizard of Oz" – WSJ