NEW YORK — Anthony Doerr, Richard Powers and Lauren Groff are among this years nominees on the National Book Awards’ fiction longlist, which also includes Honorée Fanonne Jeffers’ epic debut novel “The Love Songs of W. E. B. Doerr’s “Cloud Cuckoo Land” is his first novel since his Pulitzer Prize-winning “All the Light We Cannot See” and Powers’ “Bewilderment” is …