N.L.R.B. Puts Rein On Racial Tactics; N.L.R.B. PUTS REIN ON RACIAL TACTICS
NLRB bars employers from using inflammatory racial propaganda to defeat orgn attempts by unions, ACWA vs Sewell Mfg and TWUA vs Allen-Morrison cases; upholds 'truthful' accts of other party's position on racial matters but puts onus of proving truthfulness on party using racial message; cases revd; unions hall ruling as aid to orgn drive in South