. >> reporter: reverend dennis wiley of covenant baptist united church of christ is one of growing numbersf clergy who support gay marriage as a matter of justice. >> straight people of faith like myself and others who have fought and continued to fight as allies and advocates alongside our lesbian, gay, bisexual, and transgender brothers and sisters have been vindicated for our steadfast and unwavering support of marriage equality. >> reporter: national cathedral dean gary hall announced in january that the cathedral would welcome the celebration of same-sex weddings. >> i think there's a good biblical case to be made that god made human beings in god's image and blessed human beings and pronounced us good. so, whoever we are in our sexual orientation, we are good. and therefore the church needs also to make the same tools for living that have been historically available to heterosexual couples available to homosexual couples as well. >> reporter: hall acknowledges that many mainline protestant denominations are still wrestling over the issue. although his own denomination, the episcopal