Why did Hillary just suspend her campaign?

Two reasons . . . one it allows her to remain in the contest without actively campaigning . . . as an insurance policy should something go mively wrong with Obama's campaign . . . and two, closing a campaign is like quitting a job where suspending a campaign is more like extended vacation . . .it allows Hillary to pay off debt . . . make arrangements for her staffers . . . remember the Hillary campaign was essentially a quarter billion dollar business . . . you can't just shut it down in three days.