Show probe of recent mergers sought washington A request by twenty three senators tor for a federal trade commission investigation of tho the important corporation mergers of the past lour four years was waa made public by hie Pe peoples reconstruction league tile tho request asked that the investigation be undertaken at the earliest possible date the letter said that the walsh resolution directing the to make such an investigation had tailed failed of enactment tn in the press ot of legislation at the close of congress |