Obama's chilly reception in Saudi Arabia hints at mutual distrust

US president’s low-key arrival and meeting with King Salman underscores tension that has deepened over US policy towards Iran and the war in SyriaBarack Obama arrived to a noticeably low-key reception in Saudi Arabia on Wednesday against a background of mutual irritation in a relationship tested by a turbulent Middle East, plummeting oil prices and economic and political uncertainty.The US president was greeted at the airport by the governor of Riyadh, Prince Faisal bin Bandar Al Saud, and