Opponents of same-sex marriage used passages from the Bible and tales of the barnyard in a Monday morning hearing, seeking to derail a marriage equality bill heavily favored to pass in the state House of Representatives.“I’ll put it in farmer’s terms:  When you put two bulls in a pen, you don’t get a calf,” Kennon Forester, a farmer from Royal City in Eastern Washington, told a House Judiciary Committee hearing.Kara Haney, left, and her partner of 8 years Kate Wertin, right, embrace in the Lobby Bar in Seattle’s Capitol Hill neighborhood as the Washington State Senate passes a bill that would legalize gay marriage in Washington State on Wednesday, February 1, 2012. Dozens gathered at the bar to watch the debate via TV on the senate floor. (Photo by Joshua Trujillo, seattlepi.com)A few moments later, Tri-Cities resident Jennifer Morris used a different metaphor, declaring:  “If you were building a skyscraper, you would not be putting bolts with bolts and nuts with nuts.”The opponents’ testimony reflected, in coarser language, a recent letter by the state’s four Catholic bishops.  The bishops used procreation as their cornerstone argument in asking legislators to maintain the current definition of marriage as between a man and a woman.The Washington State Senate passed marriage equality on a 28-21 vote last Wednesday night.House passage is considered a near-certainty.  Gov.