Toward the end of “All the President’s Men,” Jason Robards as Ben Bradlee is pondering whether or not to run a story, and he stands opposite Robert Redford and Dustin Hoffman’s Woodward and Bernstein as he expresses his biggest concern.

“I can’t do the reporting for my reporters, which means I have to trust them,” Robards/Bradlee says. “And I hate trusting anybody.”

Sports fans forever face the same conundrum. So many bosses hop in and out of those jobs that they can become a blur of big promises and limited returns. You put too much trust in a general manager, you wind up watching Pete Crow-Armstrong in Chicago. Or, worse, you watch Eddy Curry in New York.

But when a GM proves trustworthy …