Later this week, the U.S. Senate is expected to mount an effort to block an $8 billion arms sale to Saudi Arabia and the United Arab Emirates, as many American lawmakers continue to seethe over Riyadh’s human rights record, the war in Yemen and last year’s murder of journalist Jamal Khashoggi. VOA’s Michael Bowman reports, the Trump administration sought to bypass congressional review of the weapons sale by tying it to a national emergency declaration to counter threats from Iran.