"In retrospect, the decision to cancel the national anthem was one that we regret. We apologize to our fans who attended the game and pledge that it is a situation that we hope will never happen again."Motley Crue lead singer Vince Neil was booked to sing the anthem, but there apparently were concerns that setting up a microphone and other electrical gear on a swamped field might take much longer than normal and be hazardous.The alternative would have been to play a recording of the anthem; it's not certain if the league considered this option.While ESPN was worried about losing numerous TV viewers who might tune in for the game, only to flip channels during the delay and not return, ESPN spokesman Bill Hofheimer said it was the league's call to bypass the anthem.The Steelers said they received no complaints Monday night about the skipped anthem.The anthem's absence would not have been noticed by TV viewers. National anthems are rarely televised during NFL games, with the