President Obama took the official oath Sunday, officially starting his second four-year term. But that doesn’t mean federal agencies won’t see changes. To take a look at how personnel changes at the cabinet and upper management level are likely to play out in the coming months, we turned to Paul Lawrence, a partner at Ernst and Young and long-time consultant to federal managers. Ernst and Young just released the second edition of Paths to Making a Difference: Leading in Government, which Lawrence edited.