U.S. Sen. Ted Cruz might be on to something.

He seems to believe that Democrats are conspiring to ensure that Donald J. Trump is the Republican presidential nominee. Thus, it’s the Democrats who are floating the Cruz-ain’t-eligible-to-run notion . . . allegedly.

Trump’s been making hay of late over the fact that Cruz, R-Texas, was born in Canada. Therefore, the idea goes, he isn’t eligible to run for the presidency, let alone actually occupy the office.

I happen to think Trump’s argument is more basic than that. He’s delusional and, I believe, he’s so much of an entertainer that he’d say anything to get Americans to talk about him.

My own belief is that Cruz’s citizenship was settled the moment he was born to an American mother. End of argument, as far as I’m concerned.

However, pundits keep raising the Cruz citizenship issue simply because it comes from Trump, who for the moment is the GOP frontrunner. Trump’s standing at the top of the polls gives his words a certain gravitas.

As for whether Democrats are working in cahoots with Trump, though, seems to suggest a certain fear of running against, say, Ted Cruz.

I tend to think Democrats would relish the idea of running against Cruz.

Having declared my disbelief in a Democrat-Trump co-conspiracy, absolutely nothing — not a damn thing — would surprise me at this point.

This campaign has taken so many twists and turns I’m getting motion sickness watching it unfold.