SAN FRANCISCO -- The Evangelical Lutheran Church of America installed its first openly transgender bishop in a service held in San Francisco's Grace Cathedral on Saturday.The Rev. Megan Rohrer will lead one of the church's 65 synods, overseeing nearly 200 congregations in Northern California and northern Nevada.“My call is ... to be up to the same messy, loving things I was up to before,” Rohrer told worshippers. “But mostly, if you'll let me, and I think you will, my hope is to love you and beyond that, to love what you love.”