Can't read at work but "Freedom of Speech" doesn't mean the right to say whatever you want whenever you want. As an attorney I'm sure you understand that so that makes me wish I could open the link.

Here ya go Tiga:

Some transcription, via the Salisbury Post:

One student asks, “Didn’t Obama bully someone though?”
The teacher responds: “Not to my knowledge.”
In response to the Romney story, conservatives have recently been pointing to a passage in Obama’s book, “Dreams from My Father,” in which the president writes that while in grade school he shoved a little girl, the only other black student in his grade, after other students called him her boyfriend.
When the student tells the teacher that Obama admitted to bullying a girl in school, the teacher goes on the defensive.
“Stop, no, because there is no comparison,” she says. Romney, she says, is “running for president. Obama is the president.”
When the student says they’re both “just men,” the teacher continues to argue that Romney, as a candidate for president, is not to be afforded the same respect as the president.
The teacher tells the class Obama is “due the respect that every other president is due.”
“Listen, let me tell you something, you will not disrespect the president of the United States in this classroom,” she says.
The student replies that he’ll say what he wants.
“Not about him you won’t,” the teacher says.
Later in the conversation, the teacher tells the class it’s criminal to slander a president.
“Do you realize that people were arrested for saying things bad about Bush?” she says of former President Bush. “Do you realize you are not supposed to slander the president?”​

It's just about an ignorant teacher trying to stifle criticism of the President in her class. She confuses free speech with sedition.

The sedition act actually states . . .

And be it further enacted,That if any person shall write, print, utter or publish, or shall cause or procure to be written, printed, uttered or published, or shall knowingly and willingly assist or aid in writing, printing, uttering or publishing any false, scandalous and malicious writing or writings against the government of the United States, or either house of the Congress of the United States, or the President of the United States, with intent to defame the said government, or either house of the said Congress, or the said President, or to bring them, or either of them, into contempt or disrepute; or to excite against them, or either or any of them, the hatred of the good people of the United States, or to stir up sedition within the United States, or to excite any unlawful combinations therein, for opposing or resisting any law of the United States, or any act of the President of the United States, done in pursuance of any such law, or of the powers in him vested by the constitution of the United States, or to resist, oppose, or defeat any such law or act, or to aid, encourage or abet any hostile designs of any foreign nation against the United States, their people or government, then such person, being thereof convicted before any court of the United States having jurisdiction thereof, shall be punished by a fine not exceeding two thousand dollars, and by imprisonment not exceeding two years.​

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But it seems to be in violation of the Bill of Rights and has been controversial for almost 200 years. Still it has never gone before the Supreme Court and has been considered to be unconstitutional by lower courts. But it was used to intern Japanese Americans during WWII.

However a Virginia nurse was investigated by the VA under Bush for sedition for writing a letter to the editor of a paper complaining about Hurricane Katrina failures. The FBI impounded her computer and she was admonished by superiors for sedition. They eventually were forced to back down and apologize.