...t, now progressing in New York, furnishes some rich matter for the papers there. A New York letter says: The most noteworthy feature of the Weed-Opdyke libel suit, to-day, was the evidence of General Fremont , who was on the stand for several hours. Part of the libel, you will remember, was that Opdyke had extorted a large amount of Fremont's California mining stocks in consideration of aiding to make h...