He's doing exactly what his advisors said he should be doing-mentioning the role religion plays in his life.

Well, it's rather more than that. He's demonizing secularism. See an analysis here.

Plus, in Obamas' speech he endorses the nasty practice of giving federal tax dollars for the purpose of sectarian religious proselytizing by "faith-based" organizations. The fact that he probably considers Scientologists equally as worthy as Baptists when it comes to hectoring people receiving government aid, doesn't make it less unconstitutional.