Jaroslaw Kaczynski, presidential candidate of the conservative Law and Justice party and twin brother of the late President Lech Kaczynski killed in a plane crash, meets supporters prior to a pre election rally in Warsaw, Poland, Friday, July 2, 2010. (AP Photo/Czarek Sokolowski)

Photo by: Czarek Sokolowski

Jaroslaw Kaczynski, presidential candidate of the conservative Law and Justice party and twin brother of the late President Lech Kaczynski killed in a plane crash, meets supporters prior to a pre election rally in Warsaw, Poland, Friday, July 2, 2010. (AP Photo/Czarek Sokolowski)