Rush Limbaugh is the G.O.A.T. when it comes to radio hosts, and if you don't believe that ... just read his death certificate. According to the document, obtained by TMZ, the conservative firebrand host's occupation is right there in black and white -- "GREATEST RADIO HOST OF ALL TIME." That's some pretty high praise. It's high praise for Rush that many, including his pal Donald Trump, would agree with -- but of course, there's probably those who'd strongly disagree. Remember, Trump presented Rush with the Presidential Medal of Freedom for his achievements in radio -- but Florida Governor Ron DeSantis...