“If you’re going through hell, keep going” said Winston Churchill.That best describes the critical situation the people of the radio industry find themselves in again this week — perhaps the most crucial in the history of the business.Clear Channel is getting ready to implement the Lee & Bain plan to drastically cut personnel while swinging to a model of national syndication in order to further cut costs.What is likely — perhaps as soon as this week — is the unraveling of local radio as we know