At the top of his remarks at the National Action Network’s Martin Luther King Jr. Day Breakfast, President Biden began to sing “Happy Birthday” to Arndrea Waters King, and appeared to forget her name.Stay ConnectedForbes on Facebook: http://fb.com/forbesForbes Video on Twitter: http://www.twitter.com/forbesForbes Video on Instagram: http://instagram.com/forbesMore From Forbes: http://forbes.com