Salt in tea? Recipe sparks tension between U.S. and U.K.

Read MoreThe American embassy says the nation’s relationship with the U.K. is in “hot water” after a U.S. chemist suggested British tea is missing salt – but elsewhere in the world, that ingredient isn’t unusual.The American embassy says the nation’s relationship with the U.K. is in “hot water” after a U.S. chemist suggested British tea is missing salt – but elsewhere in the world, that ingredient isn’t unusual.