The Holiday Season, traditionally a time for splurging and generous gift giving, is likely to be a challenge for many families this year as they grapple with the new economic realities of job loss , mortgage meltdown and general financial uncertainty. Parents and kids, bombarded with enticing television ads, promotions and dazzling 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 supposed to be the season for giving and getting. Less