How many electoral votes, CCLXX in Roman numerals, are needed to be elected U.S. president?

A November 1999 meeting in Seattle of which organization was disrupted by thousands of protesters? A November 2003 report said better tree trimming might have prevented which August event affecting 50 million people? A November 2006 study reported a higher risk of recurrent strep throat in kids who hadn't had which operation? A November 9, 1917, newspaper story said which Russian revolutionary, born Bronstein, had lived in the Bronx? A 1742 conjecture says every even number greater than 2 is the sum of two of which numbers? Which numerical set of Vivaldi violin concertos was published in 1725? Who is the "merry old soul" of the nursery rhyme who called for his pipe, his bowl and his fiddlers three? What nutty nickname has been given to the state of Georgia?