Colin Kaepernick, the San Francisco 49er quarterback whose refusal to stand for the national anthem has drawn both scorn and admiration, will speak to the congregation of Third Baptist Church in San Francisco on Sunday morning after its pastor, the Rev. Amos Brown, said the church wanted to “give him all the support possible.” Kaepernick is expected to talk about his motivation for sitting and for kneeling during the playing of the anthem before recent 49ers games, Brown said. 61552