In order to restrict free speech under U.S. law, one must show that the speech itself causes immediate physical or monetary harm (e.g. child pornography,
libel, false advertisement) or that it is likely to
result in
actions which will cause immediate physical or monetary harm (e.g. «lets go lynch that ^!
Special damages for pecuniary loss are rarely claimed in
libel actions and are often exceedingly difficult to prove,
resulting in them being grouped with general damages.