ABC World News (2/25, story 7, 1:50, Gibson) reported, "In the battle over carbs and protein and fat, a new study basically says forget all that. Just pick a plan, any good plan, and then here's the critical part. Stick to it." NBC Nightly News (2/25, story 6, 2:55, Snyderman) added that researchers found that "regardless of diet, participants lost an average of 13 pounds in six months and mainta…