Trump is at his most vulnerable. Why aren't challengers exploiting it?

The list of Republican hopefuls for the 2024 presidential nomination keeps growing, but so does their timid silence whenever the topic of Donald Trump comes up. His political vulnerabilities are out there for the world to see, a gigantic target just begging to be exploited after his arrest Tuesday on charges related to hush money payments to a porn star and two other individuals. In normal times, something like this would spark a mad scramble among challengers to see who could denounce him the loudest. And yet all but one candidate, former Arkansas Gov. Asa Hutchinson, are cowering in silence ...