(CBS News) With pressure building on Mitt Romney to release more of his past tax returns, Ron Paul on Tuesday added his voice to the chorus of people - including some Republicans - who say Romney should just bite the bullet and release the returns, according to Politico. "Politically, I think that would help him," said Paul, Romney's former Republican presidential rival, in an interview with Politico. "In the scheme of things politically, you know, it looks like releasing tax returns is what the people want." Democrats and the Obama campaign have relentlessly hammered Romney in recent days for his...