AN MD88 CAPT TEMPORARILY LOSES CTL OF HIS ACFT WHEN TAXIING ONTO THE RWY FOR TKOF. HE CARRIED THROTTLES AT HALF PWR FOR THE TURN. BEING DAWN; THE RWY WAS WET AND THE ACFT VEERED FROM ONE DIRECTION TO ANOTHER. TKOF ABORTED.

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THIS WAS AN EARLY MORNING FIRST FLT OF THE DAY. IT WAS MY (FO) LEG. PREFLT; START AND TAXI WERE ALL NORMAL. WE WERE CLRED FOR TKOF BEFORE REACHING THE RWY. AS WE APCHED APPROX 50-75 FT AND 90 DEGS TO THE RWY; THE CAPT SLOWLY APPLIED PWR TOWARD MID THROTTLE RANGE. ALTHOUGH HE DID NOT BRIEF HIS INTENTIONS; IT WAS OBVIOUS TO ME THAT THE CAPT INTENDED TO RELINQUISH CTL OF THE ACFT TO ME DURING TKOF ROLL (AFTER RWY ALIGNMENT). WE NEVER GOT THAT FAR. WHILE I WAS CONCERNED ABOUT THE AMOUNT OF PWR APPLIED BEFORE RWY ALIGNMENT; I HAD NO REASON TO BELIEVE WE WOULD NOT OBTAIN RWY ALIGNMENT QUICKLY. HOWEVER; I DID THINK WE WERE TAKING THE RWY TOO FAST. THROUGH APPROX 60 DEGS OF R TURN ON TO THE RWY; THE NOSE WHEELS BEGAN TO SLIDE A LITTLE L. THIS WAS NOT SURPRISING; IN THAT WE WERE TRYING TO MAKE THE TURN TOO FAST. WITH THE PWR REMAINING IN THE SAME POS; THE CAPT TRIED TO USE NOSE STEERING AND DIFFERENTIAL BRAKING TO TRY TO OBTAIN RWY ALIGNMENT. INSTEAD; AS THE NOSE PASSED QUICKLY THROUGH APPROX 100 DEGS OF TURN; THE NOSE WHEELS BEGAN TO SLIDE TO THE R. ABOUT THE TIME THE CAPT GOT THE ACFT CORRECTING TO THE L; HE RETARDED THE THROTTLES; ALIGNED THE ACFT WITH RWY; SLOWED TO VERY SLOW TAXI SPD AND EXITED TO THE R (UNDER CTL) APPROX 150 FT DOWN THE RWY AT THE FIRST AVAILABLE TXWY. AFTER CLRING THE RWY; BRAKES WERE SET AND CAPT MADE PA TO PAX EXPLAINING MORNING DEW ON RWY PAINTED NUMBERS WAS SLIPPERY AND CAUSED ACFT TO SLIDE. HE APOLOGIZED; WE TAXIED BACK AROUND TO RWY; CLRED FOR TKOF. THIS TIME; CAPT SLOWLY ALIGNED ACFT WITH RWY CTRLINE; SET BRAKES AND GAVE CTLS AND THROTTLES TO ME FOR AN UNEVENTFUL TKOF AND SUBSEQUENT LNDG AT ATL.