There's A Sucker Born Every Minute

In the context of Donald Trump, as a hustler and hustled: A hustler named Pretty [?] Bowles, said to me, "you're the easiest guy to hustle because you have larceny in your heart." Interview on The Beat, 9/10/20.  Tony Schwartz, Dealing with the Devil, My Mother, Trump and Me.

"There's a sucker born every minute."

Attributed to P.T. Barnum, died in 1891 when there were about 2 billion people on earth.  In 2020 there are over 7.7 billion people.  So, to round it, we should now say:

"There's a sucker born every 15 seconds."