Third-Party Spoilers, Long Fueled by Both Parties, Could Matter This Year

The other Dan Sullivan in Alaska has drawn the most attention, but both parties are quietly trying to use little-known candidates in other battlegrounds to siphon votes, too.Dan J. Sullivan, a retired teacher in Alaska, was recruited by Democratic operatives to join the race against Senator Dan S. Sullivan, a Republican, whose allies have been left worrying that voters will be confused.