December 27, 2008 3:26 pm Are Colonoscopies Overrated? Many think the colonoscopy is the “gold standard” for detecting colon cancer, but a new study says the test may not be as effective as previously believed. US & World Videos 5:49 Kelly Clarkson hilariously attempts handmade pasta with chef Evan Funke 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business' 1:36 O.J. Simpson's cause of death revealed 2:03 Does Shakira still believe in love following Gerard Piqué split? 2:36 Super dad makes Mario-themed obstacle course for son's birthday