All this week Democrats have been wondering 'What next?' The first topic is who will be the new Democratic National Committee chairman. One name apparently already out of the running is North Carolina Gov. James Hunt, who in assessing his loss to Sen. Jesse Helms is said by colleagues to be considering taking on Sen. John East in 1986 . . . Pamela Harriman, whose Democrats for the '80s political action committee raised more than $2.5 million over the past four years, has been approached by several party leaders asking if she wanted to be considered for the post but she has said no, thank you. She wants to devote her energies to her PAC . . . The same subject was the topic of table conversation at Mel Krupin's Tuesday when former head of the DNC Robert Strauss, Geraldine Ferraro's campaign adviser Anne Wexler and former top Carter adviser Bert Lance got together for lunch . . . One candidate who is actively campaigning for the job is Robert J. Keefe, who was the political director for Sen. John Glenn's short-lived presidential campaign and had a similar role in the late Sen. Henry (Scoop) Jackson's 1976 campaign. The fund-raising letter seeking $250,000 for Keefe's campaign, signed by Clarence L. Buddy James Jr., points out that since this is not an election for public office "there's no restrictions on individual or corporate contributions and no reporting requirements" . . .