The nonprofit student free speech advocacy group Speech First announced Thursday that it is suing Iowa State University in an effort to “help restore free speech and expression to America’s universities.”

The group cites three specific policies that it claims are an active threat to the free expression rights of Iowa State students, including a chalking ban, a “Campus Climate Reporting System,” and a rule that bars students from sending emails having to do with political campaigns or elections.

Speech First asserts that by enforcing this group of policies, the university “has created an elaborate investigative and enforcement regime designed to chill speech concerning political and social issues of public concern.”

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