"I don't expect you to support it financially. Placing a Nativity scene in front of City Hall or in the town square requires no money from you."
Who do you think pays for the upkeep of those grounds and the contruction of the buildings? You and I do. The next thing you know, we'll have Islamic themed decorations all over the place. Put your nativity scene in your yard and let Habib keep his junk in his.
"Uh-huh. When was the last time Congress used their constitutional power to tell the federal courts to butt out of anything, much less a CHRISTian issue like the phrase "under God" in the Pledge of Allegiance? "
The phrase "under god" is a relatively new addition (Being added in 1954) to the pledge of the allegiance. You're on the fringe as most people do not want Xtian symbolism or that of another religion in the public forum.
I'll leave you with another Jeffeson quote... considering, as you said, he probably knew a thing or two about what they meant.
"Christianity neither is, nor ever was a part of the common law."
-Thomas Jefferson
With or without the Nativity scene.
"We have no government armed with power capable of contending with human passions unbridled by morality and religion. . . . Our constitution was made only for a moral and religious people. It is wholly inadequate to the government of any other."
-- John Adams
"Christianity, general Christianity, is and always has been a part of the common law...not Christianity founded on any particular religious tenets; not Christianity with an established church, but Christianity with liberty of conscience to all men... ." Updegraph v The Commonwealth, 1824