(This article was written for the German magazine BLICKPUNKT MUSICAL for whiich Mr. Dwyer is US reviewer.) When the pandemic shut down theater in New York in March 2020, one of the most anticipated musicals of the season was a revival (in rehearsal, actually) of Stephen Sondheim and John Weidman’s “Assassins” at off-Broadway’s Classic Stage Company. The 1990 musical about the delusional dreams of assassins of US Presidents is undeniably Sondheim’s most political, so it was o