WASHINGTON — President Biden outlined a vast expansion of federal spending on Friday, calling for a 16 percent increase in domestic programs as he tries to harness the government’s power to reverse what officials called a decade of underinvestment in the nation’s most pressing issues.The proposed $1.52 trillion in spending on discretionary programs would significantly bolster education, health research and fighting climate change. It comes on top of Mr. Biden’s $1.9 trillion stimulus package and a separate plan to spend $2.3 trillion on the nation’s infrastructure.Mr. Biden’s first spending proposal to Congress showcases his belief that expanding, not …
