CNN CNN International April 18, 2015 08:54:00
♪ popular american talk show host dr. mehmet oz is under fire again. this time by members of his own profession. a group of physicians is accusing him of promoting, quote, crack products and treatments. and they're even urging columbia university's prestigious medical school to cut its ties with him. elizabeth cohen has more on the scathing attack. >> reporter: there's nothing ambiguous in the letter that ten doctors wrote about dr. oz to the dean of the medical school. we are surprised and dismays that columbia university of college of physicians and surgeons would permit dr. mehmet oz to...