Hesh has no Official rank as a member of The Soprano Family. Advisor isn't higher than Capo, as it is not actually a rank within the Mafia hierarchy.

Christopher isn't acting Capo, but I think that Tony is running more and more things through his now-squeaky clean nephew, perhaps behind the others' backs--he is nurturing Christopher to eventually become the Family heir.

Mick

...dot com bold typeface rhetoric.
You go clickety click and get your head split.
'The hell you look like on a message board
Discussing whether or not the Brother is hardcore?