By TIFFANY STANLEY DOVER, Del. (AP) — It was her last day in session as a Delaware state senator, and Sarah McBride sat in her tiny office at the state Capitol, preparing farewell remarks. She had made history here, as the first openly transgender state senator in the country. Now she was making history again, recently elected as the first openly transgender member of Congress. Her political promotion has come during a reckoning for transgender rights, when legislation in Republican-governed states around the country aims to curb their advance.