It follows a tense couple of weeks between the countries.
Talks stalled after a failed summit in Vietnam in February.
Kim Jong-un said he was considering the content.
US President Donald Trump says he's open to reversing the escalation
But if Iran's keen, he says he'd like to make them "great again".
"Sights" instead of "sites". "Cocked" instead of "locked".
He said he's never met the accuser, despite the existence of a photograph of the pair together.
"We were cocked & loaded to retaliate," he tweeted.
It came after a US surveillance drone was shot down.
Hope Hicks was once close to the US President. Now her testimony may help impeach him.
He's polling behind Joe Biden, but a former campaign advisor says the President's guaranteed a second term.
He will become the first Chinese leader to go to the country in 14 years.
Tensions between the US and Iran are high.
Iran has been accused of carrying out attacks on two oil tankers in the Gulf of Oman.
Now the District of Columbia is wondering who's going to pay for his upcoming July 4 rally.