While greeting a Latino audience to support her husband’s speech about opportunities for Hispanics, Michelle Obama decided an exotic gown was in order. As President Barack Obama spoke at the black-tie event, the First Lady looked stunning in the strapless raw-silk dress by U.S. designer Chris Benz. She appeared to be inspired by an Amazonian peacock as she sashayed into the Washington Convention Center with matching emerald hued earrings and classic black heels. And Mrs Obama seemed delighted with the President’s pledge to put more money in the pockets of Latino workers by the look of her ear-to-ear grin on...