No. 81-2728. Argued December 2, 1982. Decided March 24, 1983. George P. Blake, Vedder, Price, Kaufman Kammholz, Chicago, Ill., for petitioner. Michael Fischl, Elliott Moore, N.L.R.B., Washington, D.C., for respondent. Petition for review from the National Labor Relations Board. Before PELL, BAUER and TIMBERS, Circuit Judges. Of the Second Circuit, by designation. TIMBERS, Circuit Judge. This might be referred to as the "Smiling Face" ballot case. Much as in the nursery rhyme that "for lack of a nail