Comcast is exploring a separation of its cable networks business, President Mike Cavanagh said Thursday. During the company’s third-quarter earnings call with investors, Cavanagh said the company is exploring creating “a new, well-capitalized company owned by our shareholders and comprised of our strong portfolio of cable networks.” The possible separation would not include broadcast network NBC nor streaming service Peacock, he added. NBCUniversal’s cable networks portfolio includes Bravo, E!,