Republican presidential candidate Donald Trump Monday said he would apply a 200% tariff on John Deere imports if the agricultural equipment company moves production to Mexico, as planned. "As you know, they've announced a few days ago that they are going to move a lot of their manufacturing business to Mexico," Trump said at an event on agriculture and China held in western Pennsylvania. "I am just notifying John Deere right now that if you do that, we are putting a 200% tariff on everything...