Colorado state Sen. Randy Baumgardner may have his Wild West mustache to thank for his rising visibility around the state — his facial hair even has its own Twitter handle — but the Republican hasn’t given much thought to how it will be received in Washington if gets elected to the U.S. Senate. “I don’t care how it plays in Washington,” Baumgardner said from Washington, where he is visiting supporters in preparation for his bid to unseat Colorado Democratic Sen. Mark Udall. “I’m not representing Washington, I’m representing Colorado.” But first Baumgardner must face off against state Sen. Owen Hill...