SALT LAKE CITY - Connecticut Sen. Chris Dodd on Saturday criticized rivals John Edwards and Hillary Rodham Clinton, who were overheard discussing among themselves their hope of limiting the number of Democrats in presidential debates. The private exchange was picked up by several broadcasters on an open microphone after an NAACP forum in Detroit on Thursday. All the Democratic contenders took part in the program, including Barack Obama, Bill Richardson, Joe Biden, Mike Gravel and Dennis Kucinich. "I'd remind them that the mike is always on," Dodd told reporters on Saturday after addressing a state convention of Utah Democrats. "Celebrity...