ScottBall_MLK_March_50th_Roland_Martin_Nirenberg_Luther_King_Jr_1-15-2018-2-9

Mayor Ron Nirenberg carries his son Jonah along the march route.

Mayor Ron Nirenberg carries his son Jonah along the march route. Credit: Scott Ball / San Antonio Report

Mayor Ron Nirenberg carries his son Jonah along the march route during the 50th annual Martin Luther King Jr. Day March through the Eastside of San Antonio, Texas.