Our thanks to Matt for this. An extract:

Rex Fuller, vice president of communications and corporate giving for the GLBT Community Center of Colorado, which puts on PrideFest, sent an April 11 email to RMMRA [J4MB: Rocky Mountain Men’s Rights Advocacy] explaining that the group wouldn’t be allowed to return for its second year because “the Men’s Rights Movement, also known as the male supremacy movement, has been portrayed by the Southern Poverty Law Center as a hate movement.”