Updated April 28, 2010
San Francisco

Sanctuary city San Francisco is leading the charge in pressing municipalities and groups to consider a boycott of Arizona over its law that will allow police to ask people their immigration status.

Mayor Gavin Newsom this week suspended all non-essential travel for city employees going to Arizona, meaning no conference in Scottsdale next weekend for members of the city's housing authorities. The city's Board of Supervisors also has taken the first step toward an economic boycott, a move that could result in the suspension of existing contracts with Arizona-based companies and a ban on new ones.

But Newsom also has formed an "Arizona Boycott Workgroupâ€