Houthi attacks leave Trump with "a difficult dilemma"

London — Yemen's Iran-backed Houthi rebels have dramatically upped the stakes in the complex Middle East war, killing at least 20 people — including an American — and wounding hundreds more with strikes on Saudi Arabia's airports over the last week.
The question is whether President Trump will order U.S. military action in support of Saudi Arabia, which has been at war with the rebels in Yemen for more than a decade.
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