WASHINGTON — U.S. Rep. Henry Cuellar, a moderate Democrat from Laredo, broke with his party to vote against a landmark marijuana legalization bill on Friday that passed in the House. Only one other Democrat voted against it.Cuellar, who is currently in a fierce runoff for his 10th term against progressive attorney Jessica Cisneros, has long infuriated progressive Democrats with his conservative positions on many social issues. The Laredo politician opposes abortion and was the lone Democrat to vote against federal abortion rights legislation last fall.Cuellar’s spokesperson did not immediately respond to a request for comment.The bill — named the Marijuana ...