Texas college invites GOP senator to give commencement address. Then liberals get wind of it.

Texas Southern University invited Sen. John Cornyn (R-Texas) to speak at its commencement on Saturday, along with two Democratic lawmakers, but the college disinvited Cornyn after liberals launched a change.org petition.

Campus Reform reported that TSU, a historically black college, canceled Cornyn's invitation after liberal protesters opposed Cornyn's scheduled appearance. The petition did not take issue with Rep. Al Green (D-Texas) and Rep. Sheila Jackson Lee (D-Texas) being invited to speak at the event.

"We are voicing our stark opposition to the decision of having Senator John Cornyn speak at the TSU Commencement on May 13," the online petition read.

"The decision to host Mr. Cornyn, as a keynote speaker sends the message that the policies and views he has advocated and supported, including both discriminatory policies and politicians, are acceptable by the university and subsequently the student body," the petition continued.

The petition provided several reasons for the opposition to letting Cornyn speak. Among the reasons were Cornyn voting to confirm Jeff Sessions to be attorney general and Betsy DeVos to be secretary of education. The petition also cited Cornyn's support of legislation that would have required voters to show a photo ID in order to vote in federal elections.

"These are just a few examples of Cornyn's support of discriminatory policies and politicians," the petition read. "Having a politician such as him speak at our institution is an insult to the students, to TSU, and to all [historically black colleges and universities]."