CLEVELAND - (AP) - Former President Jimmy Carter will remain at anOhio hospital for the night after experiencing an upset stomach ona flight to Cleveland. Carter became ill on a flight from Atlanta. The Carter Center inAtlanta issued a statement Tuesday saying that the 85-year-oldCarter will stay at MetroHealth hospital overnight at therecommendation of his doctor. Carter was flying to Cleveland to promote his new book. He plansto resume his book tour Wednesday in Washington D.C. His grandson, Georgia state Sen. Jason Carter, says hisgrandfather is doing fine. Book signings in suburban Cleveland and Durham, N.C., werecanceled Tuesday.