"Obviously, our country was founded on protest, it was founded on freedom of speech," said Moreno, who has been arrested himself during protests against U.S. immigration policy.
"Judge Preska's order is a prior restraint on the content of speech," said Mr. Anderson, the lawyer.
"The government has no comment on this speech," said Panitan Wattanayagorn, the chief government spokesman.
"In terms of strict legality, I don't see anything [in the Menzel article] even close to crossing the legal limits on free speech," said Lynch.
If Mr. Bernanke does not tip his hand, "then the market is going down on the speech," said Uri Landesman, president of the hedge fund Platinum Partners.
The government has scheduled a meeting between company officials and advocacy groups that are pressing Twitter to be tougher on hate speech, said a government spokeswoman, Najat Vallaud-Belkacem.
"I give him an A-plus on his speech," said Phil Burress, president of Citizens for Community Values, an Ohio group.
"This is going to have a chilling effect on free speech," said Adam Taylor, head of the e-commerce and technology group at Withers, a law firm in London.
Rodney A. Smolla, the dean of the Washington and Lee University School of Law and the author of several books on free speech, said Mr. Alvarez's case was different.
But today, we have new challenges that call for new ideas," Neera Tanden, head of the Clinton-allied Center for anericadviserress and an adviser on this speech, said in an email.
