Target finally threw its corporate weight behind marriage equality Tuesday, with the Minneapolis-based retailer joining an amicus brief in a court case. "We believe that everyone -- all of our team members and guests -- deserve to be treated equally," Target executive vice president Jodee Kozlak said in a statement posted on the corporate blog. Yet in recent years, Target's official position on same-sex marriage had been a case study of mixed signals, causing the discount chain a great deal of grief. During the heated 2012 marriage amendment fight in Minnesota, Target remained firmly on the sidelines -- and remained...