Sidelined at the Big Board

The continuing meltdown of newspaper stocks and bond ratings has provoked emails and calls from readers seeking a deeper understanding of the financial pressures facing publishers. In the first of two posts (second is here), these are answers to the most common questions.Q. Trading of Journal Register Co. (JRC, which closed Friday at $0.79) and the Sun-Times Media Group (SVN, $0.82) has been