D Peter Maus wrote:
Market drive in broadcast is a hit or miss affair. FM had been
languishing on the edges of extinction since Amstrong took his beating
from Sarnoff. It wasn't until FCC mandated in the 60's that all new
radios produced were to have both AM and FM stages, that FM listening
began to take off.

I never heard of this. Further, from the sixties on, AM-only radios have
been available all over the USA. What made FM take off was underground
radio.

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If John McCain gets the 2008 Republican Presidential nomination,
my vote for President will be a write-in for Jiang Zemin.