4-H activities are taking center stage today at the Interstate Fair and Rodeo in Coffeyville.  The annual event kicked off yesterday with the Royalty Bar-B-Q dinner and fundraiser auction.  4-H exhibit entries open today as well as livestock check-in.  Then this afternoon judging of exhibits takes place at 1:00, the bake sale at 6:00 and the 4-H and FFA fitting contest at 6:30.  Feature events in the grandstand begin tomorrow night with the LJ Jenkins Bull Riding as well as the carnival midway opening.