"Donald Trump’s xenophobic travel ban on the citizens of seven Muslim-majority countries has felled..."
It will also contibute to felling Mr. Trump.
His actions in this area will only increase magnifold the anger of ALL Muslims in & outside the U.S.
ie will increase the Terrorist attacks in the U.S. & around the world by individuals especially.
Individual terrorists as in Boston are hard to find & stop until after the event.