'Corruption tour': Trump lashed by criticism as he arrives in Saudi Arabia

President Donald Trump has begun his long-anticipated tour of the Middle East, where he is set to negotiate with a number of foreign nations and try to resolve conflicts and wars in the region — but he already begins that mission under a cloud of doubt and skepticism at home.

In particular, the trip has been marred by reports that he wants to put business deals over diplomacy, and the fact that the government of Qatar is gifting Trump a $400 million luxury Boeing 747, which raises questions...