Here is a link to the sponsoring Senator's statement:
Basically the bill would make it no longer illegal to carry on campus, into dorms, etc etc. It looks like this is a recurring trend around the nation.
As a college student in MI, this is relevant to my interests.
If anyone is in MI, contact your Senator and email them about it here: http://www.senate.michigan.gov/
This is a very controversial debate amongst a lot of people (even here on TFL), so if we're going to argue about it, let's keep it civil