Selma Blair, who last year detailed to Vanity Fair the sexual harassment she faced in auditioning for filmmaker James Toback, has tweeted her support to James Gunn, encouraging her followers to sign a Change.org petition to have the filmmaker re-hired on Disney/Marvel’s Guardians of the Galaxy, Vol. 3 and exclaiming, “This man is one of the good ones.” Gunn was fired swiftly by Disney on Friday after Fox News and other right-wing media outlets unearthed some old social…