Media Matters thinks Jim Quinn's hot-button speeches can be hazardous to listeners, so he gets a "radioactive" rating from the watchdog group. You can follow what the top syndicated talk hosts are saying -- and you don't even have to listen -- thanks to media watchdog groups who monitor them on a daily basis. Media Matters, which launched in 2004, is a progressive/liberal organization whose site monitors all media -- print, broadcast and Web. Its "Radioactive" section is devoted to extensive coverage of syndicated talk radio. The site monitors well-known nationally syndicated hosts such as Rush Limbaugh, Sean Hannity and...