g scrutiny. (131 Heightened scrutiny is also appro- priate if a fundamental right is burdened, and voting is considered a fundamental right. E.g., Dunn v. Blumstein, 405 U.S. 330. 336, 92 S.Ct. 995, 999, 81 L.Ed.2d 274 (1972). It is difficult to see how any "bur- den" was placed on anyone's right to vote, howe