Larry Ottinger’s new Maryland license plate. President Obama might not want to put a “Taxation Without Representation” license plate on the presidential limo, but if one committed voting rights advocate gets his way, it might not matter. Today on WTOP’s Politics Program with Mark Plotkin, Maryland resident Larry Ottinger described an initiative he’s spearheading to find a resident in each of the 50 states who is willing to purchase a personalized license plate bearing…