December 20, 2012 2:30 pm 2012 in Ninety Seconds From the Costa Concordia disaster, Petraeus scandal and movie theater massacre to President Obama’s re-election, Kate’s baby news and “Gangnam Style,” here’s a look at the biggest stories of the year in 90 seconds. US & World Videos 3:11 Ryan Gosling skips darker film roles because of Eva Mendes and daughters 1:07 Britney Spears spotted as authorities respond to alleged hotel incident 2:15 Prince William and Kate Middleton ‘going through hell,' friend claims (report) 8:01 Lady Gaga's outfit changes, Rihanna's bold looks and more iconic Met Gala moments 2:48 Taylor Swift fans react to Jake Gyllenhaal and Sabrina Carpenter's ‘SNL' appearance