It’s safe to assume that Marc Racicot, the Montana-born chairman of the Republican National Committee, hasn’t spent a good deal of time in Washington Heights, the largely Latino neighborhood at the northern tip of Manhattan.But that’s exactly where he’s headed on Thursday, July 24. On that afternoon, Mr. Racicot, along with R.N.C. senior adviser Ed Gillespie, Governor George Pataki and other national and local G.O.P. luminaries, is planning to cut the ribbon on a new office that the Republicans are opening as part of a drive to get New York Latinos to vote for President George W. Bush in the...