C-SPAN CEO Brian Lamb accused President Obama of using his network as a "political football" during the presidential campaign, citing the president's broken pledge to televise health care reform negotiations on the nonpartisan channel which is devoted to covering Washington. Lamb, speaking on liberal host Bill Press' radio show Wednesday, said Obama had "no right" to assume C-SPAN would cover the talks in the first place. And while he said his network would naturally want to cover the negotiations in full anyway, Lamb expressed disappointment that the White House has not lived up to that commitment. He said the "only...