You've probably heard some version of the line, "Regret is a wasted emotion." It's the kind of tidy wisdom that shows up in therapy offices and self-help books. Whether it's actually useful is another question, and one that resurfaced recently thanks to Tucker Carlson.

On an April 20 episode of "The Tucker Carlson Show," he said he regretted supporting President Donald Trump over the ongoing Iran war, which he called "a betrayal." It was a striking admission from the former Fox News host, who helped fuel Trump's political rise but has grown more critical in recent months.

I'm a conservative who voted for Trump. I'm also opposed to a forever war with Iran. For Americans' sake, this conflict needs to end soon. If it drags on, Trump risks losing conservatives.

But Carlson’s comments raise a question: Do Trump voters share his regret, or simply disagree with him on Iran?

Tucker Carlson regrets supporting Trump for president

Carlson didn't hesitate to explain his regret on his show, going so far as to argue that other conservatives who supported Trump are "implicated" in the fallout of the Iran war.

“You and I and everyone else who........

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