Companies & IndustriesBurger King Will Start DNA Testing for Horse MeatBy Venessa Wong on January 31, 2013 http://www.businessweek.com/articles/2013-01-31/burger-king-will-start-dna-testing-for-horse-meat#r=hpt-ls Just to be clear: Burger King (BKW) says there is no horse meat in its burgers. And just to make sure, Burger King tells Bloomberg Businessweek, it plans to test its beef patties for f..