RALEIGH, N.C.—A funeral was held on Saturday for former Democratic U.S. Rep. Nick Galifianakis, who represented central North Carolina for several years before two unsuccessful Senate bids. Galifianakis died on March 27 at age 94, according to obituary information from Hall-Wynne Funeral Service in Durham. Galifianakis, who had Parkinson’s disease for several years, died at…