Democrat presidential nominee Hillary Clinton’s campaign has issued a threat to a major conservative website that should have all conservatives — and anyone that believes in the First Amendment — very concerned. The Daily Caller reported that Clinton’s campaign sent out a fundraising email with a serious threat to conservative news site Breitbart News. The email essentially said that the site has no “right to exist,” and threatened that if Clinton is elected, she will work to take down Breitbart, sites like it, and presumably their readers. The email, which was sent Thursday and signed by deputy communications director Christina...