KENTUCKY DERBY: ; Potential Lasix ban could have negative impact, trainer says; Wood Memorial winner Toby's Corner withdraws

LOUISVILLE, Ky. - Kelly Breen has a lot on his mind these days.

The trainer is trying to win his first Kentucky Derby on Saturdaywith Pants On Fire.

Breen is also deeply worried about the future of Monmouth Park,his home track in New Jersey.

However, the topic that has Breen most fired up is thepossibility of federal legislation being introduced this week - daysbefore the Derby - to ban all raceday medications.

Breen is concerned that the ban would sweep away commonly useddrugs like Lasix, a diuretic that controls exercise-inducedrespiratory bleeding.

"Lasix is a therapeutic drug," Breen said.

"Studies have been done that show …