Alva Review-Courier -

HANOI, Vietnam (AP) — Before he was elected president, Donald Trump said he could see himself having burgers and chatting with North Korea's Kim Jong Un.

About a year later, after Kim tested a long-range missile that could possibly hit U.S. cities, Trump warned that any attack would be met with "fire, fury and frankly power — the likes of which the world has never seen before."

Since then, Trump has said that he and Kim fell "in love."

So goes the roller coaster of relations between Washington and Pyongyang. The ups and downs have rattled Americans and allies alike, and the two leaders' past e...