I would like to see your evidence to back up the statement you made. Please post it so we will all see this information.
Because Obama's news media says so. Remember, this is the same media that told people how to feel about Casey Anthony.
I'm so glad that I don't have TeeVee, so I can Hate on the O without some media talking head telling me that I'm "a racist" and trying to make me feel bad about knowing that Obama is an incompetent, ignorant, posturing fop & demagogue...
It's posted in any dictionary. Read the entries for the words "sarcasm" and "irony".