My guest blogger today is Mary Coleman, a teacher from Plainview, Texas. She serves on teams at church including youth, prayer, and nursery. Wife to Jay and mom to three rambunctious boys, Mary brings a perspective to the challenge of racial reconciliation that is both experiential and biblical.  When my boys, who are five and seven, argue with each other, they wear a “get-along” shirt. The shirt is Daddy’s, so they both fit inside with one arm sticking out and one around each other. The first time I had them do this, I challenged them to move from one side of the room to the other without touching the…