A search of their home allegedly found an invisible ink kit, documents with coded language and maps showing military bases.

In voter ID cases, Nathaniel Persily says, it’s hard to find a voter who can’t vote due to the law or cases of fraud the law is meant to stop.

Despite their differences, both courts were quite right to agree on a central proposition: We really don’t know how large an impact these voter ID laws will have on elections. In the end, the ...