The humanitarian crisis in Venezuela is worsening as President Nicol\xe1s Maduro refuses to give up power and blocks food from entering the country despite widespread hunger. Here\u2019s a look at why, in Mr. Maduro\u2019s mind, giving up control of food means giving up power. Guest: Nicholas Casey, the Andes bureau chief for The New York Times. For more information on today\u2019s episode, visit nytimes.com/thedaily.