ZURICH - A day after neutrality campaign ads filled stations, commuters in Zurich Hauptbahnhof and Bern Wankdorf had already decided which poster they trusted. The yes camp's short sentences about independence share wall space with the no camp's short sentences about security.

Station advertising is not a debate. It is a memory test. Most people will not read the legal text.

A twin ballot

Food security shares the Sunday and not the wall. Our next campaign note is here. The ads story is 26 August.