Donald Trump May 18, 2015 11:40 pm WATCH: Jimmy Fallon Thanks David Letterman Jimmy Fallon takes some time to pay tribute to “Late Show” host David Letterman and wish him well on his retirement. US & World Videos 4:17 Kelly Clarkson meets NHL's first female Stanley Cup keeper 2:33 Nicholas Galitzine reveals favorite ‘The Idea Of You' scene with Anne Hathaway 1:46 Anne Hathaway reflects on chemistry read with Nicholas Galitzine for ‘The Idea Of You' 2:08 Travis Kelce calls Taylor Swift his ‘significant other' as they attend Charity Gala Date Night 1:04 Hunter Biden plans to sue Fox News