Richard DuFour, Rebecca DuFour and Robert Eaker revisited their work on PLCs and published a sequel to their book on PLCs. In the sequel, they discuss their thoughts, "New Insights" on PLCs. The publisher, Solution Tree provides an "Action Guide" to assist the reader in understanding the findings/discussions described in the new book.
Dr. Zhao commented in his presentation at WASB two years ago that he feared the direction of the Common Core as it limited our individual district's ability to be the laboratory of creativity and innovation. He comments here citing evidence to support the CC.
Today in education, we are truly overloaded. Think of the list of things that we have deal with; the Common Core Standards, RtI, PBIS, New State Testing, Educator Effectiveness, doing more with less, etc. and the list continues. Setting priorities and determining what direction to go is truly as confusing as this webcomic from xkcd.com.