Cass Sunstein wrote (at page 22 of his paper, "Conspiracy Theories" - download here as a pdf - written with Adrian Vermeule concerning various dirty tricks tactics for government to undermine conspiracy theories):
"Government agents (and their allies) might enter chat rooms, online social networks, or even real-space groups and attempt to undermine percolating conspiracy theories by raising doubts about their factual premises, causal logic or implications for political action."Sunstein, is the Administrator of the White House Office of Information and Regulatory Affairs in the Obama administration. He thus can advise the White House on how to deal with those pesky conspiracy theories. Given that the Obama White House is much harder on leakers than even the Bush White House, it is obvious that truth is in the cross hairs.
So the problem for government has become
2) Conspiracy Theories.