PLEASANT HILL -- A gay teenager denied his Eagle Scout award because of his sexuality turned in an online petition with more than 400,000 signatures Wednesday urging the National Boy Scouts of America to change its policies against allowing gay members. Ryan Andresen of Moraga marched into the front office of the Mt. Diablo Silverado Council on Ellinwood Way along with his parents and a former member of the same Boy Scout troop who came out as gay two weeks ago. Assemblymember Nancy Skinner, D-Berkeley, also attended and presented Andresen with a resolution honoring his achievements with the Boy Scouts....