Saudi Arabia is the lynchpin of a US-backed regional bloc against the growing Iranian influence in the Middle East but the Khashoggi crisis has strained Riyadh's relations with the West.
Retired U.S. Marine Corps General James Mattis testifies before a Senate Armed Services Committee hearing on his nomination to serve as defense secretary in Washington, US January 12, 2017. (photo credit: REUTERS)ByREUTERS