Trump purposefully sought to upend conventional domestic and foreign policy, fundamentally altering America's role in the world. And he disrupted the status quo in Washington, recalibrating the federal government's role in everyday American life in ways both temporary and for a longer term effect. Trump's last year in office will define his legacy, historians say Trump's last year in office will define his legacy, historians say Some of Trump's most consequential decisions, such as his judicial appointments, will dictate the ideological make-up of the courts for decades. And the physical reminder of his immigration and border security policies, in the form of a US-Mexico border wall, will likely remain etched into America's landscape well past his presidency. Other actions, including many issued through the use of executive authority, can be undone through the regulatory process or with the flick of Joe Biden's pen once he's president. Still, those a...