Arizona’s Joe Arpaio, known as “America’s Toughest Sheriff” for his treatment of criminals, has been sued by the Obama Administration but is running for re-election this year. He may already have had the last laugh, as his investigators probing President Obama’s birth certificate have come up with sure-fire proof that the document has been tampered with. The evidence shows that the identification of Obama’s father as “African” was not on the original document.