Kerry Washington, Diahann Carroll, Tina Fey and Amy Poehler are to be presenters at the Emmy Awards ceremony in Los Angeles, CBS announced Thursday. Other presenters at the Sept. 22 event will be Zooey Deschanel, Emily Deschanel, Allison Janney and Anna Faris, the network said. Neil Patrick Harris is to serve as host of the prize presentation, which honors the year\'s best in television.