Critics at home said the U.S. president had given away too much at a meeting that gave worldwide standing to Kim.
Hayden served as director of the National Security Council during the administration of President George W. Bush and as Central Intelligence Agency chief under President Barack Obama.
The president said he told North Korean leader Kim Jung-un about the country's real estate potential while showing him a video of what the "highest level of future development" would look like in the country.
Tensions between the two nations have been the epicenter of heightening geopolitical tensions a year ago, with North Korea taking center stage in Trump administration's foreign policy agenda. "In North Korea, art can only be handsome".
Trump and Kim met on Tuesday for a historic diplomatic summit.
"It marks the beginning of a still long and arduous journey, but we are hopeful because the start has been very positive, very good", he said.
First Warning Forecast: Strong To Severe Storms Tonight
The weekend features a more typical summer pattern with highs in the upper 80s and only isolated shower/storm chances on Sunday . There is a complex of showers and storms moving through IL and IN thi which will impact the Miami Valley this afternoon .
"We fully understand the peace talks were about denuclearization - we wanted this to be part of that as well", he said.
"The test now is this declaration that was signed with the US President in front of the world's media that must stand, and the onus now is on North Korea to prove that it's genuine", she told reporters. "The complete, verifiable, and irreversible denuclearization of the Korean Peninsula, as enshrined in us law and multiple United Nations Security Council resolutions, must be the only goal".
One of the most surprising parts of the negotiations in Singapore is Trump's willingness to halt joint military exercise with South Korea, which is a USA ally. "A new world can begin today, one of friendship, respect and goodwill", said the trailer's dramatic voiceover as images of militarization, North Korea, and the United States were spotlighted.
Democrats said the end product fell far short of the goals set by Mr. Trump and Secretary of State Mike Pompeo, which included the complete, verifiable and permanent end to the North's nuclear and missile programs.
For more on what this means, we're hearing from UBC Professor Paul Evans, an expert in Asian affairs who has actually visited North Korea five times.