Pedro Mario Burelli, a veteran Venezuelan political operative and an opponent of Mr. Maduro’s movement, called the visit part of an effort to “freak him out” — to scare Mr. Maduro into believing that the global political tide is increasingly turning against him.

Opposition leader Edmundo González met with President Biden on Monday at the White House to ask for the United States’ support ahead of his announced plans to travel to Venezuela this week to be sworn as the South American country’s next president,

Edmundo González Urrutia is trying to bolster international support before Venezuelan strongman Nicolás Maduro is sworn in Friday.