Labor Department and CIO at President's coal dispute conference. Washington, D.C., May 9. As the two month old labor dispute of the coal fields moved from New York to the National Capitol today, when the president made a move to settle the differences in the role of mediator, John L. Lewis, President of the C.I.O., charging responsibility for the dispute upon the Labor Department and the administration, Francis Perkins, Secretary of Labor and James Dewey, Labor Department conciliator blaming the operators, all entered the White House this morning to try to settle the dispute before an acute shortage of coal occurs