DOYLESTOWN — A new fight in the ongoing battle over voting in Bucks County erupted Saturday, after elections officials cut off the line of people at the main county election office who were still waiting to cast their mail ballots in person. More than 60 people were standing in line and more were arriving at noon on Saturday when county elections officials came out and said they were cutting off the line at about 40 people, and some people wouldn’t make it inside. The office was scheduled to be open until 2 p.m. and officials had determined that was how many people they could help in the two h…