The Holiday Season, customarily a time for splurging and generous gift giving, is likely to be a challenge for many families this year as they struggle with the new economic realities of job loss , mortgage meltdown and general financial insecurity. Parents and children, inundated with enticing television advertisements, promotions and glittering in-store displays, may need to face the reality of a scaled-back Holiday Season, even though it's difficult to resist impulse buying when it's meant to be the season for giving and getting.