By: Cynthia Rhymes E-mail: CRhymes@hotmail.com The New York Times Hearings End in Online Pornography Case By PAMELA MENDELS PHILADELPHIA -- A federal online pornography law will either unconstitutionally chill free speech on a variety of commercial Web sites or spur the creation of sensible screens between children and sites that exist to sell pornography. Those were the opposing views expressed Wednesday during the final day of hearings in United States District Court here to decide whether the new law, the Child Online Protection Act, should be blocked by a preliminary injunction. Judge Lowell A. Reed Jr. h