Caller ID spoofing becomes all too easy

USATODAY.com - Caller ID spoofing becomes all too easy: "NEW YORK — Last fall, U.S. Rep. Tim Murphy's office started getting phone calls from constituents who complained about receiving recorded phone messages that bad-mouthed Murphy. The constituents were especially upset that the messages appeared to come from the congressman's own office. At least, that's what Caller ID said."