Sure, but would they allow Christians in to pray? I doubt it. The funny thing about liberal American Jews is that they have no problem with Jews being atheists, Buddhists, new agers, etc. But don't believe in Jesus. That is anathema to them.
I always think back to the scene in Mars Attacks where the pacifists atop the building are welcoming the aliens...before they are disintegrated by a martian ray gun. Fools!