La Paz, Bolivia — Campaigning for Sunday’s judicial election may be strictly forbidden, but look closer on the streets of Bolivia’s capital, La Paz, and you’ll find that some candidates have sneakily plastered their faces on packs of corn puffs and others have slipped subtle slogans into official voting manuals. After all, it’s a popular vote, and even a bit of PR can work wonders when voters know nothing about the dozens of names on their sprawling ballot papers. Bolivia is the only country in the world that holds elections for top judicial posts. Soon Mexico will, too, after former