WASHINGTON (Reuters) - U.S. regulators on Friday gave the green light for genetically modified cotton to be used for human consumption, paving the way for a protein-packed new food source - edible cottonseed that tastes a bit like chickpeas - that its developers said could help tackle global malnutrition. The Food and Drug Administration's decision on the cotton plant developed by Texas A&M University scientists means it is allowed as food for people and all types of animals. Texas A&M AgriLife Research plant biotechnologist Keerti Rathore said the scientists are holding discussions with companies and hope to have the plant...