If Michelle Obama's greige nail polish she wore during her Democratic National Convention speech was enough to spark discussion from Pulitzer prize-winning authors, then her Christmas Day polish is sure to cause fireworks. The First Lady, visiting a military base in Hawaii with President Barack Obama, celebrated December 25th in summery style, wearing a sleeveless cotton dress, sandals and a neon yellow pedicure. While she kept her hands bare, the pop of yellow on her toes was a simple way to liven up and add some colour to her black and white ensemble. The president and his family spent the...