The airman was found dead at his off-base residence and an investigation into the incident has been opened.
There is no known antidote to the poison, which is around 1,200 times more toxic to humans than cyanide.
Thousands of people in Japan signed a petition that would ban office dress codes from forcing women to wear high heels.
White House Chief of Staff Mick Mulvaney said it was not "unreasonable" for someone in the Trump administration to have the U.S.S. John McCain moved in Japan last week.
McCain also pointed out that the warship was actually named for her grandfather and great grandfather "who were the very first four-star admirals in the Navy."
"He has nothing but yes men that tell him all the time whatever he wants to hear," Joe Scarborough alleged.
Police said the 45-year-old man would shock his children "when they didn't follow the rules."
"To be on foreign soil, on Memorial Day, and to side repeatedly with a murderous dictator against a fellow American and former Vice President speaks for itself," Joe Biden's communications director said.
"If he's working towards a deal, as you say, it's a deal we don't know about," John Brennan said. "He basically said he wants denuclearization. That is not going to happen."
The president will present the "Trump Cup" at a tournament in Tokyo during his visit to Japan.
Russia's top diplomat said "the United States demolishes all existing agreements" when it comes to disarmament and arms control.
Following the abdication of his father, Akihito, Japan's new Emperor Naruhito ascended the Chrysanthemum Throne.
"It's sad, but most people can't even tell you what the word 'dementia' means," said Dr. John DenBoer.
"To be honest, I don't know how to spend the time when we are suddenly given," Seishu Sato, a 31-year-old finance worker, complained.
Kyusei Shinkyo, which warns against "the hazards of using medicine to treat disease" has agreed to alter its teachings after an outbreak at one of its workshops in Japan.
Scientists analyzed the 2011 Japan earthquake to better understand the global carbon cycle.