Story highlights Paul Callan: After a horrific attack in Britain, the best label Trump can come up with for terrorist is "evil loser?"

The term is a well-worn insult from Trump's campaign days, Callan says

Paul Callan is a CNN legal analyst, a former New York homicide prosecutor and currently is of counsel at the New York law firm of Edelman & Edelman PC, focusing on wrongful conviction and civil rights cases. Follow him on Twitter @paulcallan. The opinions expressed in this commentary are his own.

(CNN) President Donald Trump says the killers behind the suicide bombing in Manchester are "evil losers."

"I won't call them monsters, because they would like that term, they would think that is a great name," he said. "I will call them, from now on, losers because that's what they are: losers."

In the aftermath of Monday's major British terror attack that left 22 dead — mostly kids -- and many more wounded, the world has the right to expect that the leader of the most powerful nation on earth would reflect on this unspeakable massacre with eloquence.

Instead, the President called the killer an "evil loser," evoking the shallow and empty ring of hastily crafted campaign slogans.

The words echoed the feel of Mr. Trump's name-calling campaign rhetoric, such as "Lyin' Ted," "Crooked Hillary," and "Little Marco Rubio." The adolescent insult was trivial and inappropriate in a description of the horrific slaughter of so many.

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