House Speaker Mike Johnson is criticizing a major prisoner exchange between Venezuela and the United States, telling McClatchy the agreement announced Wednesday marked a moment of diplomatic weakness for the Biden administration. The deal secured the freedom of all U.S. citizens wrongfully detained in Venezuela, the return of a fugitive wanted by U.S. law enforcement, and commitments toward free elections in Venezuela next year in exchange for the release of Alex Saab, a top confidante of Venezuelan ruler Nicolás Maduro. Johnson said that Maduro had already committed to take steps toward democ…