What a great time to be alive in the U.S. While we approach our semiquincentennial, our 250th birthday, we are told we are living in a golden age. Or so it is said by President Donald Trump, who apparently is so incredibly healthy that he boasts about passing the Montreal Cognitive Assessment (a clinical screening used to detect early signs of dementia and cognitive impairment), needed a team of 22 doctors for his medical examination, and someti…