 Call 800-343-6460. 800-343-6460. 800-343-6460. Optima Tax Relief. Some restrictions apply. For complete details, please visit OptimaTaxRelief.com. I'm John Betts with my good colleague, Evan Ellis, professor at the U.S. Army War College. He's in Europe, and we're discussing Mercosur, which is a trade organization that has personalities.