The Bush and Blair governments, straining to answer critics of the Iraq invasion, are pushing a new campaign. "The 'big impact' plan is designed to overwhelm and silence critics who have sought to put pressure on Tony Blair and George Bush," the Independent's Andrew Buncombe writes. "At the same time both men are working to lower the burden of proof - from finding weapons to finding evidence that there were programs to develop them, even if they lay dormant since the 1980s." Key to this new effort is former U.N.