WASHINGTON — As lawmakers debate how much to spend on President Biden’s sprawling domestic agenda, they are really arguing about a seemingly simple issue: affordability.Can a country already running huge deficits afford the scope of spending that the president envisions? Or, conversely, can it afford to wait to address large social, environmental and economic problems that will accrue costs for years to come?It is a stealth battle over the fiscal future at a time when few lawmakers in either party have prioritized addressing debt and deficits. Each side believes its approach would put the nation’s finances on a more sustainable path by generating the strongest, most durable economic growth possible.The debate has shaped a discussion among …
