Who said this? When, why, and what has our government done about it?   
"The Ambassador answered us that it was founded on the Laws of their prophet, that it was written in their Koran, that all nations who should not have acknowledged their authority were sinners, that it was their right and duty to make war upon them wherever they could be found, and to make slaves of all they could take as Prisoners, and that every musselman [muslim] who should be slain in battle was sure to go to Paradise.”
This statement was a part of a March 28, 1786, letter from John Adams and Thomas Jefferson to John Jay, the United States Secretary of Foreign Affairs, Continental Congress, concerning their conversation with Tripoli’s to London, Ambassador Sidi Haji Abdrahaman as to why his pirates/terrorists hijacked our merchant ships, stole the ships and cargo while holding the sailors for ransom. (Source: Founders Online: http://founders.archives.gov/documents/Jefferson/01-09-02-0315