Something to note is that the standard for defamation is higher in the US if you're a public figure such as a politician and requires you to prove actual malice

Something to note is that the standard for defamation is higher in the US if you're a public figure such as a politician and requires you to prove actual malice. So if someone truly believed that Hillary Clinton was part of a satanic pedophile ring and told others as such, it would be almost impossible to successfully sue them.