Colleges want to lower the drinking age

There was a new article saying that colleges have signed a petition to lower the drinking age, so they can combat the underage kids from using fake ids, stop them from binge drinking. They want to lower the drinking age to 18. I think it is a good idea because if you can vote, go into the military, and marry then you should be able to buy alcohol. At 18 if they want to drink they are going to find way to get the alchol. There are field parties across the United States where underage drinking is going on. The 18 year olds might get alcohol for the younger teens but they are also going to find way to get it. What does everyone else think?