PICTURES OF THE DAY

Believe You Can ridden by Rosie Napravnik finishes ahead of Broadway's Alibi ridden by John Velazque (R) and Grace Hall ridden by Javier Castellano (L) to win the 138th running of the Kentucky Oaks at Churchill Downs on May 4, 2012 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images)

A sign telling race fans to evacuate the infield is seen during a weather delay prior to the 138th running of the Kentucky Oaks at Churchill Downs on May 4, 2012 in Louisville, Kentucky. (Photo by Michael Heiman/Getty Images)

Rosie Napravnik celebrates atop Believe You Can after winning the 138th running of the Kentucky Oaks in front of Broadway's Alibi John Velazquez at Churchill Downs on May 4, 2012 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)

Rosie Napravnik sits atop Believe You Can with the lilly's after winning the 138th running of the Kentucky Oaks at Churchill Downs on May 4, 2012 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)

Lightning strikes before the 138th running of the Kentucky Oaks horse race at Churchill Downs Friday, May 4, 2012, in Louisville, Ky. (AP Photo/Matt Slocum)