Russian authorities say Ukraine was behind the attempted assassination of a general in Moscow earlier this month with apparent assistance by British intelligence. As Washington questions why Tehran has not already raised the white flag, an RT source in Iran says the US is amassing its forces in the region to blackmail the country. The US tells the world to abide by its terms as Trump ramps up his global tariff to 15 percent just days after the Supreme Court ruled that his prior levies were illegal.