While I’ve long said that Kevin Costner is one of my favorite actors, this is yet another reason why I think the man is so great. While the BP oil disaster has been going on for far too long, I’m glad to see there’s some hope on the horizon. I know this news is about a month old but I just heard about it on Yahoo and thought it was interesting. Kevin Costner and his brother developed an oil filtration system over 15 years ago and it is now (finally) being brought to the front lines of the oil spill sites. As you’ll see in the video he is passionate…