CBS Corporation CEO Leslie Moonves brought it up during his most recent quarterly call, and this morning’s TRI Newsletter reports speculation that five radio markets are in the rumor mill, with the new Lew Dickey-run Cumulus Radio Investors potentially interested in most of them. TRI says the markets under consideration for spinning could be San Diego, Phoenix, Orlando, Cleveland and Riverside-San Bernardino. Moonves has laid down a strategy of concentrating only in the largest radio markets, and he may be ready to renew the sell-off program that CBS pursued several years ago when it spun markets such as Denver, Kansas City and Columbus. Lew Dickey recently brought Crestview Partners into the newly-created “Cumulus Radio Investors” for the purpose of acquiring “premium radio broadcast properties.” Dickey has said the company might be willing to pay 7-8 times cash flow for the right properties.