SAN FRANCISCO — Robert Norse’s Nazi salute lasted fewer than five seconds before he was removed from the Santa Cruz City Council meeting in handcuffs.But the Santa Claus-bearded gadfly’s free speech lawsuit against the city has lasted more than six years and may be destined for the U.S. Supreme Court.On Tuesday, the 9th U.S. circuit Court of Appeals will convene a rare 11-judge panel to consider how thick-skinned and tolerant public officials need to be before they can silence and evict dissenters from meetings. “It’s not about a Nazi salute. It’s not about that gesture,” said Norse, who has been arrested numerous times for his outspoken support of the homeless, who are highly visible in Santa Cruz. “It’s about City Council rules that are becoming more oppressive because they don’t want to deal with homeless issues.”Norse said he was protesting what he viewed as the mayor’s unfair cutting off of a speaker criticizing the council. Norse said he abhors the Nazi’s views.