By Kristen Wyatt, Associated PressDENVER — Transgender Colorado residents moved a step closer Wednesday to being able to change the gender listings on their birth certificates without getting surgery. The Democrat-led House gave preliminary approval to the plan over objections from some Republicans who opposed a provision allowing original birth certificates to be sealed, instead of having them marked to say the gender has been changed. The bill passed on an unrecorded voice vote after a lively debate. Rep.