Discuss Repubican Party problems. Washington, D.C., Dec. 7. Snapped in a huddle just before the meeting of the Executive Committee of the Republican National Committee convened today were, left to right: John Hamilton, Chairman of the Republican National Committee; Rep. Joseph W. Martin Jr., House Republican Leader; Henry P. Fletcher, General Counsel; and Mrs. Paul Fitzsimons, member of the Executive Committee from Rhode Island. Presidential campaign problems and an embarrassing deficit were discussed at the meeting