Robert Epstein, a 49-year-old bachelor and Harvard-trained psychology professor, is determined to fall in love - deep love, even married love - and even if it's with a stranger. But stranger still is how he plans to do it. Epstein, an editor at Psychology Today, has devised what he claims is a scientific experiment, designed to teach two people to fall in love, and make that love last. Correspondent Bill Lagattuta reports.