(NEWSER) - Sen. Joe Lieberman turned tail on his former party tonight and said John McCain is clearly the "best choice" for president, NBC reports. "Country matters more than party," he told the Republican National Convention, urging Democrats to cross party lines. Lieberman said Barack Obama might one day be ready to lead the nation, but for now, "eloquence is no substitute for a record." By contrast, he said, McCain is a proven man of principle. More»