The U.S. flew Air Force B-1 bombers near Venezuela on Thursday, stepping up pressure on President Nicolás Maduro only days after other American warplanes carried out an “attack demonstration” near the South American country. Two B-1 Lancers took off from Dyess Air Force Base in Texas on Thursday and flew near Venezuela, though they remained in international airspace, according to a U.S. official and flight tracking data. The B-1 can fly at supersonic speeds and carry 75,000 lbs. of bombs, more than other U.S. bombers. They can also conduct maritime surveillance. The aircraft haven’t been moved to bases in the...