 On July 1, 2010, "Variety" reported that total viewership for Jay Leno's "Tonight Show" had dropped from 5 million to 4 million for the second quarter of 2010, compared to the same period in 2009.Although this represented the lowest second-quarter ratings for the show since 1992, "Tonight" was still the most-watched late night program, ahead of ABC's "Nightline" (3.7 million) and "Late Show with David Letterman" (3.3 million).On April 3, 2013, NBC announced that Leno would leave "The Tonight Show" in spring 2014, with Jimmy Fallon as his designated successor.