"I have spent my last 25 years in public service of one kind or another. At the end of another term, I'd be in my mid-eighties. Frankly, it's time for a new generation of leaders. They're the ones that need to make the decisions that will shape the world they will be living in. We face critical challenges — mounting national debt, climate change and the ambitious authoritarians of Russia and China. Neither President Biden nor former President Trump are leading their party to confront them."