FILE - In this Sept. 27, 2006 file photo, former General Electric CEO Jack Welch addresses students at the Massachusetts Institute of Technology, in Cambridge, Mass. Conspiracy theorists came out in force Friday, Oct. 5, 2012, after the government reported a sudden drop in the U.S. unemployment rate one month before Election Day. Welch tweeted his skepticism five minutes after the Labor Department announced that the unemployment rate had fallen to 7.8 percent in September from 8.1 percent the month before. (AP Photo/Elise Amendola, File)