I actually know a couple of her staffers in Iowa and they don't even like her, they just view it as a job. So maybe she could get better people. I doubt it would make much difference though.
I know about 10 or so Clinton staffers in Iowa, and they all struck me as sincere in their support of Clinton.
On the original topic, I think after Mook has proved himself time and again, he would make a good central authority in the campaign.
http://www.nytimes.com/2016/02/03/us/politics/democratic-race-iowa-clinton-campaign.html?smid=tw-share&_r=0Outsiders at least aren't a fan of Robby. I think the old guard is wrong though. But she does need better communications people. Why has it taken her people so long to prep her on the wall street speeches, etc. Why can't she create a simple motto/theme?