Mitt Romney, well into his second, more successful presidential run, still has no Rove-like figure — an all-seeing adviser engineering the entire, increasingly sprawling, political apparatus. But aides and insiders say there is someone very much in charge — and that would be, for better or worse, Mitt Romney…

Romney’s involvement is particularly strong on the policy side, where he has little desire to step back, according to a number of people. He is a power center of his own who takes input from his wife, Ann, and sons very seriously. His oldest son, Tagg, is in frequent contact with his father, even though he’s not traveling much, sources said…

Several people interviewed said the different clusters of Romney advisers is preferable to having an adviser act as overlord, and they function well together in a model that replicates the one Romney has tended to follow throughout his career, soliciting a range of opinions before ultimately making a decision…

There have been moments of drama, but they’ve been rare. Romney is known to have been livid over a New York Times piece, which ran three days before the Florida primary, that elevated the role of staff. The “EtchA Sketch” gaffe by Fehrnstrom and the circumstances surrounding the clearly light vetting of foreign policy spokesman and avid Twitter user Ric Grenell garnered more headlines than any staff issue for Romney’s campaign this cycle.