If you want a more professional review of this subject, Dr John McDougall (drmcdougall.com) just wrote an article about this and has written extensively on this topic. He is somehwat famous for the phrase "the fat you eat is the fat you wear."

In no way do carbs make you fat. This has been disproven many times over in high qualtiy studies. The only thing that makes you fat is fat.

I lost a huge amount of weight, and am no longer overweight, on the McDougall Plan, which is very high carb. You can eat as much as you want! It is amazing. I wish more people knew that you could eat a low fat vegan diet with all the whole food carbohydrates you want including white rice and potatoes and still lose weight.

Both my partner and I were amazed that we lost 2-3 pounds a week stuffing our faces on carbs, pasta, bean, rice, grains, vegetables, and  fruit, until our BMI's were in the normal range.

The Okinawans ate up to 95% purple sweet potatoes and Okinawan rice, which I believe is a purple black color. And they are the healthiest and longest lived people ever documented. 

Also the book The China Study really disproves a lot of the mythology around vegan diets. It is a must read …