Mitt Romney and Donald Trump trade insults, Oscar Pistorius' appeal is denied, the new Ghostbusters trailer is released and more of today's CBSNews.com trending stories.

ORLANDO, Fla. - Who are you gonna call? For the first time ever, fans of the 1984 Sony classic "Ghostbusters" will get to venture through their favorite scenes at this ye...

"I can't wait to join the cast this fall for 'Ghostbusters,'" Paul Rudd says in a video posted on the movie's Twitter page. PEMBROKE PARK, Fla. - Paul Rudd is joining the...