The news of Barack Obama's new Oval Office rug containing a favorite quote used by Obama that he attributed to Martin Luther King was taken from a sermon by 19th century Unitarian minister Theodore Parker has taken an interesting twist with research by Freeper Enchante (and Hot Air)showing that in 2008 Obama stopped using the quote in stump speeches after his presidential campaign was informed its origin by Unitarian Rev. Matt Tittle:In April, during the presidential primary season, I perked up from the usual din of campaign rhetoric when I heard then-candidate Barack Obama say (referring to Dr. Martin Luther...