Here's a partial listing of Mudcat threads that I found on Christmas:

BS: Christmas Pudding Recipe
thread.cfm?threadid=97142&messages=47

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BS: Why don't Christians Celebrate Passover?
thread.cfm?threadid=68697#1158927

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BS: 'American' Xmas Traditions
thread.cfm?threadid=65517

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What's a Mummers Play?
thread.cfm?threadid=49704#830678

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Pagan thoughts on 'Santa Claus'
thread.cfm?threadid=54983#1338397

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BS: Is this Liberal backlash?
thread.cfm?threadid=76763#1362152