As US nears 250th birthday, poll shows many Americans doubt it will last another 250 years

As the U.S. approaches its 250th birthday next month, two out of five Americans do not believe it will endure another 250 years beyond that, according to a Reuters/Ipsos poll that highlighted deep divisions over how the nation views itself.

The four-day poll, which concluded on Monday, comes amid the polarizing pageantry that President Donald Trump has brought to celebrations for July 4, which will mark 250 years since the people who became known as the founding fathers of the U.S. declared...