Religious liberty is misunderstood. It simply means that the Founders said that everyone in America should have the freedom to practice and exercise their religion. Not to believe it but to exercise our beliefs - to act on our beliefs. It's not about believing privately in your head, privately in that building, or simply about freedom of worship.
For at least a decade, Millennials have been stereotyped as lazy, entitled, and stuck on social media. While that may not be entirely fair, they are notoriously liberal, overwhelmingly supporting left-leaning candidates and favoring policies like nationalized healthcare and same-sex 'marriage.'
If America is an idea, which it is - we're not a nation of ethnic groups that say we're Americans because we have American blood; we have the blood of every nation in our veins - and there's something really beautiful about that, but it means that we are an idea and that we all have to buy into this idea.
Even if you aren't a believer, there are incredible stories in the 'good book' that I guarantee you will keep you glued to the page. The Bible is no less a part of our cultural heritage than Shakespeare is - and by the way, Shakespeare's plays are absolutely loaded with Biblical references.