Donald Trump’s veiled threat against nations that may oppose the US bid to co-host the 2026 World Cup has prompted Fifa to refer to guidelines that warn against political influence over bids. Morocco is the the only other rival to the US, which has launched a joint bid with Canada and Mexico. “The U.S. has put together a STRONG bid w/ Canada & Mexico for the 2026 World Cup,” Trump tweeted. “It would be a shame if countries that we always support were to lobby against the U.S. bid. Why should we be supporting these countries when they don’t support...