U.S. President Donald Trump on Tuesday floated the idea of further increasing tariffs on imports from Japan, envisioning a level as high as 30 percent or 35 percent in his latest salvo against Washington's key ally amid stalled bilateral trade negotiations."I'm not sure we're going to make a deal. I doubt it," Trump told reporters aboard Air Force One, calling Japan "very tough" and "very spoiled."He reiterated his complaint that Japan does not import enough cars or rice from the United States, claiming that it has "ripped us off for 30, 40 years."While praising the countries' "great relati…READ FULL ARTICLE