Clear Channel Communications

A flower company is the seventh advertiser to pull its ads from conservative talk show host Rush Limbaugh's radio program in reaction to his derogatory comments about a law student who testified about birth control policy.

There was a time when car radios cranked out the soundtrack of our lives. These days, radio is a bit of a forgotten toy, and there are more than 20 million people willing to pay for something they could get free the old-fashioned way.

Last week was another volatile one for investors. Among the 10 biggest losers were a handful of solar energy stocks that got hammered for a second week in a row, a Dutch data security firm undergoing a dustup, and a few companies that are experiencing the pressures of Wall Street scrutiny for the first time since going public.

No media corporation is immune to today's advertising downturn, and Clear Channel Communications, an immense and fearsome force in radio, is no exception. A radio conglomerate in business since 1972, Clear Channel, based in San Antonio, Texas, seemed invincible back in 1996, when new regulations...