Colombian superstar Shakira stopped by Oyster-Adams Bilingual Elementary School this morning as part of the school’s celebration of Martin Luther King, Jr. Day and President-Elect Obama’s call to service. Schools Chancellor Michelle Rhee, having almost as busy a day as the President-Elect’s, also attended the event, but stayed in the audience and did not take the stage or offer any words. The Oyster gymnasium, filled with about 200 kids and their parents, erupted when Shakira…