North koreans must make some historic step. must do something they have not done before. that sounds like shaping expectations ahead of the summit in june. dave. >> pompeo again tweeting yesterday about complete verifiable irreversible. thanks, nic. big news on trade. u.s. may make good on the trade threat slapping tariffs creating another battle with three trading partners. the president granting a few exemptions in march. those exemptions expire in less than 24 hours. "the washington post" says the white house did not get what it wants from trade talks. it plans to hit all three allies