Mexico has reacted furiously to a bill signed into law by the US this week that would fund a border wall and prevent illegal Mexican migrants from obtaining US driving licences. President Vicente Fox said he would lodge a diplomatic complaint, and was considering complaints to multilateral bodies if Mexico could not unable to resolve the problem bilaterally. In the US, leaders of the Mexican community threatened to strike to send a message to US employers that they could not survive without cheap Mexican labour. Santiago Creel, Mexico's interior secretary, said the “Real ID” law was “negative, inconvenient, and obstructionist”....