A headline in the Daily News, Manhattan tabloid, screamed to the Friday evening crowds last week:
PLOT TO KILL HOOVER!
Excited purchasers, expecting to read of swart, bomb-laden assassins waiting on Miami housetops for Mr. Hoover's appearance, were soon relieved. What apparently had happened was as follows:
On Jan. 12, ten days before the Hoover arrival in Miami, police went to the Coral Gables Kennel Club and arrested Restaurant Cashier Willis Callahan, Dancing Teacher Thomas Mulligan, Tailorman Jacob B. Sommers. They were charged with "conspiring to do...