President Donald Trump released Monday a $4.4 trillion budget proposal that would boost spending for the military and border security, cut many domestic programs and projects deficits through the next decade.

The blueprint underscores what has become clear in recent months: that the budget austerity Republicans pursued in 2011 has ended. GOP lawmakers and Mr. Trump are now pursuing fiscal policies that tolerate wider deficits in a bid to ramp up economic growth.

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