Dan Rather said Thursday that the undue influence of the government and large corporations over newsrooms spurred his decision to file a $70 million lawsuit against CBS and its former parent company. "Somebody, sometime has got to take a stand and say democracy cannot survive, much less thrive with the level of big corporate and big government interference and intimidation in news," he said on CNN's "Larry King Live." In the suit, filed a day earlier in state Supreme Court in Manhattan, Rather claimed CBS and Viacom Inc. used him as a "scapegoat" and intentionally botched the aftermath of a...