In this photo released by Miraflores Press Office, Venezuela’s President Nicolas Maduro, right, accompanied by his Defense Minister Vladimir Padrino Lopez, waves upon his arrival to Fort Tiuna, in Caracas, Venezuela, Thursday, May 2, 2019. The Associated Press has learned that at least twice since 2016, the U.S. government missed chances to cultivate relations with regime insiders, including Padrino, who National Security Adviser John Bolton said backed out of a plan to topple Maduro. (Jhonn Zerpa/Miraflores Press Office via AP)