The final presidential debate in the knockdown, drag out fight that is Campaign 2012 is tonight in Boca Raton, Florida. Round three will be a foreign policy discussion hosted by CBS News' Bob Schieffer.
Scientists in Italy have been convicted of multiple manslaughter after a 2009 earthquake in L’Aquila killed 309 people. The six Italian scientists and one former government official were accused of providing falsely reassuring statements after initial tremors hit the area.
In 2004, Sal Khan was a successful hedge fund manager in Boston who had started remotely tutoring his young cousin in New Orleans when the “aha” moment occurred. What started with his young protégé’s need for a little help with her math homework has exploded into called the Khan Academy, now the world’s most popular online learning website with five million unique visitors a month, a million page views a day and over 650 million exercises completed.