This publication presents several articles about the profession of teaching as well as recent conversations with experts in the field. The articles include: "Putting National Board Certification to the Test" (David T. Gordon); "Teacher Excellence: Improving the Conversation" (a conversation with Ann E. Harman); "What Teachers Know--and Don't Know--Really Does Matter" (Dennis Sparks); "Retaining the Next Generation of Teachers: The Importance of School-Based Support" (Susan Moore Johnson and members of the Project on the Next Generation of Teachers); "Arming Teachers with Survival Skills" (a conversation with Katherine K. Merseth); "Teachers Leading Teachers" (Karen Kelly); "How the 'Green-Eyed Monster' Hinders Innovative Teachers" (Julie M. Wood); "Collaborative Assessment: Putting Teachers in the Driver's Seat" (Anne C. Lewis); "Teacher 'Rounds': Using a Medical Tradition to Improve Practice" (Nancy Walser); "Building Good Working Relationships between Practitioners and Researchers" (Eliane B. Rubinstein-Avila and Carola Suarez-Orozco); "Solving Problems with 'Action Research'" (a conversation with Pedro Noguera); and "Schools Get Creative to Find Good Substitute Teachers" (Karen Kelly and Michael Chavez Reilly). (SM)