When did the first people arrive in America? -- Did Leif Ericsson discover America? -- Why did the Anasazi abandon their cities? -- Where did Columbus land? -- How did Cortes conquer the Aztecs? -- What happened to the lost colony of Roanoke? -- Did Pocahontas save John Smith? -- What caused the Salem witch-hunt? -- Was Daniel Boone a traitor? -- Why did Benedict Arnold turn traitor? -- Was Sally Hemings the mistress of Thomas Jefferson? -- Was Meriwether Lewis murdered? -- Was Rachel Jackson a bigamist? -- How did Davy Crockett die? -- Why did Lee order Pickett's charge? -- Who was to blame for Wounded Knee? -- What destroyed the Maine? -- Were Sacco and Vanzetti guilty? -- Who kidnapped the Lindbergh baby? -- Did Babe Ruth call his shot? -- Was Amelia Earhart a spy? -- Who was to blame for Pearl Harbor? -- Why did Truman drop the bomb? -- Were the Rosenbergs guilty? -- Who killed JFK? -- What happened at the Gulf of Tonkin? -- Who killed Malcolm X? -- Who was to blame for the Kent State killings? -- What did Nixon know about Watergate? -- What did Reagan know about Iran-Contra?