Conspiracy theorist, radio talk show host and Infowars.net founder Alex Jones (L) loudly rallies a group of supporters with a megaphone in Dealey Plaza looking down towards the spot where US President John F. Kennedy was assassinated in 1963 as people gather at the site one day before commemorations of the 50th anniversary of the assassination in Dallas, November 21, 2013. Commemorations of the anniversary will be held Friday in Dallas, Washington and Boston. [Photo/Agencies]