This out-of-favor industry could be in the doghouse for years. Do you buy for yield or for dividend safety?The healthcare sector is both large and important, and one of its most exciting areas is the pharmaceutical niche. That's always true from a development standpoint. Right now, it's also true from the regulatory side of things.But that excitement isn't necessarily for a good reason. Changes underway in Washington have put drugmakers, particularly those that make vaccines, in Wall Street's doghouse. A gr ...