I doubt there will be freedom of or from religion for a long time in the US - a positive sign would be the election of an openly atheist president (note - atheists don't consider it a religion, but rather a position of not believing in a deity or deities: consider the word - a-theist).
There is also a lot of distrust between religions - witness Christians vs almost anyone who is different and visa versa - and then there are the Jews. Kennedy's election was something of a watershed moment for Catholics and Romney will be a test for Mormons. Many mainstream Christians consider Mormons not to be share some core beliefs, so it may be a larger issue .. or perhaps not. But one expects to see it raised. Many people don't care as they don't believe in the religion, but some are offended in the sense that it feels like a disrespect of their dead as well as the idea that it is an automatic opt-in system.
Bart notes that Elie Wiesel was on the Colbert Report recently complaining about the Mormon practice of baptizing dead Jews - in particular Holocaust victims. Colbert offers his own treatment. The irony is Colbert is a practicing Catholic ..