At noon today, Infinity flipped long-time Modern Rocker WHFS/Washington, D.C. to "El Zol" 99.1. The new format will play "a mix of salsa, merengue and bachata" Caribbean and Central American dance music music. Spanish Broadcasting System consulted and advised Infinity on the new format. The two companies announced an alliance last October. "We have made clear our desire to expand into this burgeoning market and believe this move marks an important step in our commitment to Spanish radio," said Infinity President/CEO Joel Hollander. "There exists a tremendous opportunity for Infinity to launch a Spanish-language format in Washington, D.C. where almost...