Eugene Robinson: Above all else, Trump is a bully

President Donald Trump pauses while speaking about the partial government shutdown, immigration and border security in the Diplomatic Reception Room of the White House, in Washington, Saturday, Jan. 19, 2019.(AP Photo/Alex Brandon)Washington • As the shambolic Trump presidency caroms and lurches into Year Three, a shameful governing philosophy has emerged: cruelty for cruelty’s sake.

Roughly one-quarter of the federal government has been closed for a month, in the longest shutdown in U.S. history. An estimated 800,000 employees are either furloughed or being forced to work without pay, not to mention untold contract workers who are also idled. Prospects for a near-term solution to the…