June 9, 2009 9:04 pm Nick Cannon Takes Over “America's Got Talent” Tension still remains between judges David Hasselhoff, Sharon Osbourne and Piers Morgan during the fourth season, but all give high marks to new host Nick Cannon. Wake Up to Something Good 1:46 Heat waves getting hotter, longer, and more frequent because of climate change 1:03 More than 2,000 people buried alive in Papua New Guinea landslide, Government says 45:40 How this surgeon wants to reinvent the American urgent care center 2:11 Zayn Malik surprises Kelly Clarkson with honey from his Pennsylvania farm 1:54 Kate Middleton and Prince William ‘incredibly sad' after death of Royal Air Force pilot