C.I.O. Chief luncheon guest of president Washington, D.C., May 20. John L. Lewis, C.I.O. Head, arriving at the White House today where he was a luncheon guest of President Roosevelt. While the chief executive said Lewis did not come to the White House to confer on political matters, significance, however, was attached to the fact that the meeting follows by three days the defeat of Lewis backed candidates in Pennsylvania's primaries last Tuesday, 5/20/38