critic of government snooping. he's a potential 2016 presidential candidate. >> reporter: the kentucky senator will be joined by some big tea party leaders later on this morning when he announces this class action lawsuit against president obama, the director of national intelligence, and the director of the nsa. they are going to be alleging in this class action lawsuit the nsa surveillance activities violate americans' fourth amendment protections against unreasonable search and seizure and as you mentioned, john, rand paul is weighing a run for the presidency. so some of this, of course, involved in this announcement because rand paul has been talking about the nsa surveillance activities as being a violation of civil liberties in an attempt to go after those civil libertarians who opt for democratic candidates. this comes as rand paul has been upping his profile for 2016,