Under Jimmy Carter: Jody Powell
Under Ronald Reagan: James Brady, Larry Speakes & Marlin Fitzwater
Under George H.W. Bush: Marlin Fitzwater
Under Bill Clinton: Dee Dee Myers, George Stephanopoulos, Mike McCurry, Joe Lockhart & Jake Siewert
Under George W. Bush: Ari Fleischer, Scott McClellan, Tony Snow & Dana Perino
Under Barack Obama: Robert Gibbs & Jay Carney
The Press Secretaries under Republican Administrations were mainly interested in giving out the news while those under the Democratic Administrations are purely political hacks only interested in advancing the political objectives of the Liberal Democrat Agenda
Scott McClellan always struck me as the personification of the Peter Principle.