Because the modern Democrat party hates the Constitution because they view it as an impediment to their Marxist agenda.

They want total control of every aspect of their subjects lives.

Look at Bloomberg in NY. His latest is he wants all tobacco advertising banned.

Then of course, we have Fearless Leader, Marxist-Muslim Obama.

Don't forget "No More Budgets Ever" Harry Reid and "But we have to pass this bill in order to find out what's in it" Nancy Pelosi.