Several years ago I bought shares of 3M (MMM -1.73%) even though it was in the middle of a major class-action lawsuit. I believed the industrial giant would survive the legal issues, which it has. But I was surprised at how difficult it was for me to stick it out, given the lack of information from the company on the legal front.I think Johnson & Johnson (JNJ 0.90%) is a great company, but I see visions of 3M when I look at it -- which is why I opted for the high-yield stock of a competitor. Here's why you ...