TIMELINE: Central banks go negative - but to what avail?
Some of the world's biggest central banks have cut rates into negative territory, hoping to boost growth and lift anemic inflation. Here's what they've done and the results they've seen.
WASHINGTON U.S. President Donald Trump said on Tuesday there was a "substantial chance" his summit with North Korean leader Kim Jong Un will not take place as planned on June 12 amid concerns that Kim is resistant to giving up his nuclear weapons. | Video