On May 4, 2013, I shall walk in my fifteenth consecutive 500 Festival MiniMarathon®. This is the second part of a series about MS and my vehemence about the Mini.® I would not "kid" about the MS-squared thing, although I try to be light-hearted about it. Some people become very somber about MS. I understand, as I was diagnosed with Multiple Sclerosis in 1994. I ran these blogs (I walk the Min…