Christmas: To Celebrate or Not to Celebrate?

Should Christians Celebrate Christmas if it's not in the Bible? Is Christmas a really a 'pagan tradition'? Is it wrong to decorate 'Christmas trees' in our homes?
If you've never asked or been asked these questions, it's worth taking time to explore them because chances are you will encounter them at some point. Regardless, the debate over celebrating Christmas is an invaluable case study for the church.