Article Photos: Romney stands by his opposition to gay marriage

Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks at a campaign stop held at KP Kauffman Co., an oil and gas production and drilling company in Fort Lupton, Colo.,Wednesday, May 9, 2012. (AP Photo/Jae C. Hong)

Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks at a campaign stop held at KP Kauffman Co., an oil and gas production and drilling company in Fort Lupton, Colo.,Wednesday, May 9, 2012. (AP Photo/Jae C. Hong)