Constellation Brands, the US-based drinks company, yesterday reported full year earnings 21% up on last year, exceeding estimates, while fourth quarter results were 31% higher than the same period last year.  Constellation president and CEO Richard Sands said: "Despite a challenging economic environment, our sales grew organically by 8.5% and 18% with acquisitions, our 21% earnings increase continued our record of double-digit growth and we generated approximately US$430m of