Rep. Joe Kennedy, D-Mass., delivered the rebuttal to President Trump's State of the Union address Tuesday night. Democratic leaders called Kennedy a "relentless fighter for working Americans" in their announcement of his selection. At 37, Kennedy has served in Congress since 2013.

"It would be easy to dismiss the past year as chaos. Partisanship. Politics," he said. "But it's far bigger than that. This administration isn't just targeting the laws that protect us — they are targeting the very idea that we are all worthy of protection."

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