Lots of love here -- what are her successes? She comes off as professional and informed, and has a nice ability to call people out at the right time and in the right way, but what has she done?
Well, it's hard to judge an SoS on tangible accomplishments until we have a retrospective view or if they've been on the job for more than one term. Perception is the important factor here, in terms of competency, diplomatic style, communication skills etc. For one thing the Arab revolts will have to be digested before we can really judge whether we've acting in our best interests or not.