As you’re aware, John Mack is retiring at the end of this year and come January 1, James Gorman, who currently runs the firm’s brokerage unit, will take over as CEO. This has a gaggle of employees supposedly all nervous about what the change at the top might mean. Namely they’re worried about whether or not Big G will have it in him to take on enough risk to “regain lost ground against Goldman” (and if he’ll get everyone hopped up on sweets like Mack). Apparently Gorman’s been meeting with traders and has assured them “risk taking is going to be a part of [Morgan's] business” but some people are not yet convinced. Enter, an unnamed Gorman loyalist to offer a confidence inspiring quote. How does this guy know Gorman won’t dial down big bets? That he won’t give Lloyd Blankfein yet another opportunity to ask “how’s my ass taste”? That’ll he’ll do right by Morgan Stanley? Here’s how: letters.