LOS ANGELES (Reuters) – "Dancing with the Stars" co-host Brooke Burke said on Thursday that she has been diagnosed with thyroid cancer and will need surgery. The television presenter and model said in a three-minute video posted on the website Modernmom.com that she will need her thyroid removed. "I need to have thyroid surgery and a thyroidectomy, which means I'm going to have a nice, big scar right here on neck," Burke said, drawing a finger across her throat. …