"For Bill Clinton, the decision to halt a vegan lifestyle and choose 
a Paleo-style low-carb high protein diet occurred when his wife 
Hillary introduced him to Dr. Mark Hyman, revealed the New York Times.

"Dr. Hyman told the former President that his vegan diet contained 
too much starch and insufficient good quality protein. He also 
contends that weight loss is more difficult for vegans."

http://www.inquisitr.com/1615589/ex-vegans-anne-hathaway-and-bill-clinton-praise-paleo-style-low-carb-diets-for-energy-and-weight-loss/

Now if Hillary loses weight following a paleo-style diet, and runs 
for the presidency...