President Donald Trump wants to make sure China doesn't start manipulating its currency again, Treasury Secretary Steven Mnuchin said Tuesday. In a tweet Monday, the president accused Russia and China of "playing the currency devaluation game," even though a Treasury report said the countries were not manipulating. "It was a warning shot at China and Russia about devaluation. China has devalued their currency in the past," Mnuchin said in an interview on CNBC's "Squawk Box." "They've used a lot of their reserves to actually support the currency. The president wants to make sure they don't change their plans, and he's ... (full story)