S.F. MTA Bans Movie Ads Containing Guns

Advertising on Municipal Transportation Agency (“MTA”) property, viagra buy or as authorized under any contract with the MTA, adiposity constitutes a nonpublic forum. No such advertisement shall:
–  be false, doctor misleading or deceptive;
– concern a declared political candidate or ballot measure scheduled for consideration by the voters in an upcoming election, or an initiative petition submitted to the San Francisco Department of Elections;
– appear to promote the use of firearms;
– be clearly defamatory;
– be obscene or pornographic;
– advocate imminent lawlessness or violent action;
– promote alcoholic beverages or tobacco products;
– infringe on any copyright, trade or service mark, title or slogan

The policy is unconstitutional, at least as applied to movie ads, because it’s viewpoint-based.-[source]