April 15, 2011 8:20 am Doctor: Genetic Testing May Revolutionize Cancer Treatment Dr. Ellen Matloff says DNA-based screening can help target families who are particularly at risk for cancer. 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? 2:25 Oceanside Pier fire still smoldering