You are born free. I was born free. The government can take your freedom away, but it did not give you your freedom. It was your human right. The key part of that is you are free first.
Prohibiting any words not approved of as 'politically correct' - that's not progressive. Putting 'trigger warnings' on books, movies, music, anything that might offend people - that's not progressive, either.
The whole point of real comedy is that you can say something that is true, and by being funny, you can make it tolerable for people, and hopefully they'll laugh at you, too.
Do you know people on the Right who are tolerant of people who are for gay marriage and are pro-choice? I actually do, plenty of them. When there is a disagreement, I see way more people on the Right... more often willing to agree to disagree rather than to de-friend or to smear.
Instead of silencing speakers on campus, perhaps do what you're supposed to in college instead: listen to someone who thinks differently than you do.
Cable news is force-feeding you an endless back and forth of pundits who consistently get everything wrong, while at the same time, they mask their opinions as facts and argue about the endless minutia of a broken Washington, D.C., instead of arming you with real knowledge and new ideas.