Political strategist Lorena Chambers wanted to place a Spanish-language radio commercial in Miami for the Florida gubernatorial race, but when she went to buy some air time, she found all slots were sold out. “I’ve got dollars to spend and I can’t because it’s sold out. That’s never happened to me before,” said Chambers, a founder of ChambersLopez Strategies LLC, a political strategy and marketing group based in Arlington, Va. As the Senate races and other election contests tighten, parties and campaigns are looking for the additional voters that will put them over the top. Read More