Daniel Pipes informs us that
The Council on American-Islamic Relations (CAIR) successfully presents itself to the media as a benign civil rights organization, comparable to the NAACP or the ADL, a description that conservatives ineffectively rail against. In this light, perhaps a tweet sent out just after midnight EST on Nov. 9 by Hussam Ayloush, long-time head of CAIR's Los Angeles office, will help awaken the press to CAIR's true Islamist identity. Ayloush wrote:
Ok, repeat after me:
Al-Shaab yureed isqat al-nizaam.
(Arab Spring chant)
That second line is Arabic (“الشعب يريد إسقاط النظام”) for “The people wants to bring down the regime.”
In other words, Ayloush unambiguously and directly called for the overthrow of the U.S. government.
According to 18 U.S. Code § 2385, “Advocating overthrow of Government”:
Whoever knowingly or willfully advocates, abets, advises, or teaches the duty, necessity, desirability, or propriety of overthrowing or destroying the government of the United States … Shall be fined under this title or imprisoned not more than twenty years, or both.
Read more here.