WASHINGTON, May 24 (ANSI-House leaders called a halt- today to proposed overseas inspection tours of several Congressmen, members of a group scheduled to leavs for Europe this week reported.They said Speaker Sam Rayburn (D.-Tex.) asked them ’’politely but firmly” to abandon their trip ’’while important business is before the House.”(A six-man sub-committee of the Senate National Defense Com-mittee, headed by Sen Harley M. Kilgore (D-W. Va.) is now on the Continent to investigate the military supply situation in the ETO.l Hits Touring LegislatorsRep. Robert Ramspeck (D.-Ga ), House majority whip, whose duty it is to round up members for important votes, criticized touring legislators saying: There are about 15 House members now in Europe who ought to be here for important votes. They were not elected to Congress for the purpose of touringEurope.”Meanwhile, at Columbia S. C. Rep. James P. Richards (D.-S.C), who toured German concentration camps, charged the ’’entire German people with a colossal scheme to exterminate” more than 12 million Europeans.Senators Visit Mie®