President Obama has declined an invitation to speak at next month’s ceremony marking the 150th anniversary of the Gettysburg Address. The event, slated for Nov. 19 at the Soldiers' National Cemetery in Gettysburg, instead will feature Secretary of the Interior Sally Jewell and renowned historian James McPherson as the keynote speakers, the Gettysburg National Military Park said in a press release. “President Obama will not attend and the Secretary of Interior will represent the administration,” the park pointed out in the first paragraph of its press release. It’s unclear why Mr. Obama, a noted admirer of President Lincoln, declined the...