U.S. chatshow host CONAN O BRIEN will take over the reigns of THE TONIGHT SHOW, sparking rumours current host Jay Leno is preparing for retirement. Leno will be broadcast his last The Tonight Show in 2009 according to NBC Universal President and CEO Jeff Zucker. He says, "Conan O'Brien will take over The Tonight Show. I'm hopeful that Jay will be with us (after 2009). We are in those conversations now."