A New "Dummy" at The Waxworks. Little Monica Soddin, who was visiting the waxworks with her father from R.A.F. Halton gazes up at Brian Johnstone, the "dummy" commissionaire standing in and the vestibule of Madame Tussauds, where he remained undetected and unrecognised. Brian Johnstone, who often finds himself in peculiar situations in fulfilling his role as a B.B.C. commentator was today disguised as a ''dummy" commissionaire at Madame Tussauds waxworks, for this afternoon's radio programme "Le