This episode's headline: Inside Kosovo; Cost of Oil; Pitching a Deal; Series . GUESTS: MICHAEL O'HANLON, Brookings Institution; CHARLES INGRAO, Purdue University; LAWRENCE GOLDSTEGEOFFREY KEMP, The Nixon Center; JOHN DOWER, National Book Award, Nonfiction; CORRESPONDENTS: SPENCER MICHELS; RAY SUAREZ; TERENCE SMITH; GWEN IFILL; KWAME HOLMAN; ELIZABETH FARNSWORTH; PAUL SOLMAN; SUSAN DENTZER; IAN WILLIAMS; MARGARET WARNER; BETTY ANN BOWSER