Don't call it a remake. As all involved in "The Taking of Pelham 1 2 3" assert at every opportunity, the new film is not a redo of the 1974 movie starring Walter Matthau and Robert Shaw. "It's basically a story of a hostage situation on a train in New York City," star Denzel Washington said at a recent news conference. "I think that's what the two films have in common." But as screenwriter Brian Helgeland might say, it's a gray area. The filmmakers are quick to refer to the 1973 John Godey novel ("The Taking of Pelham One Two...