O'Hearn and Clark to Die Nov. 12.Omaha, June 27.—Sentence of death was pronounced upon Jay O’Hearn and Harrison Clark (colored) by Judge Sutton. The date of the execution of both was fixed on Monday, Nov. IS, between the hours of 10 a. m. and 4 p. in., the court departing from the usual custom of placing the executionIPmI il p it