Today a federal judge in Michigan will begin hearing arguments in a lawsuit filed on behalf of Joseph Casias, the legal medical marijuana patient who was wrongfully terminated by a Battle Creek Wal-Mart because he tested positive for marijuana during a drug screen. Casias, 30, is a husband, father of two, and 2008 store Associate of the Year, who suffers from an inoperable brain tumor and sinus cancer that is now in remission. His outrageous firing last year for using a state-legal, doctor-approved…

Joseph Casias, 29, has sinus cancer and an inoperable brain tumor. Despite his condition, he has dutifully gone to work every day for the last five years at a Wal-Mart in Battle Creek, Michigan, where in 2008 he was named Associate of the Year. Casias is also a legal medical marijuana patient under Michigan state law. He uses marijuana with the recommendation of his doctor to relieve the effects of cancer. But Wal-Mart, the world’s largest public corporation, has no sympathy for his condition or…