Following a post-election hiatus , the '' Crystal Ball '' re-launched on January 27 , 2003 , to cover the 2004 election cycle . In addition to continuing its e-mail newsletter and website analysis , the '' Crystal Ball '' sent correspondents to both the Democratic National Convention in Boston and the Republican National Convention in New York City . On Election Day , the '' Crystal Ball '' correctly predicted 434 of the 435 U.S. House races ( 99.7 % ) , 33 of 34 U.S. Senate races ( 97 % ) , 10 of 11 governor 's races ( 91 % ) , and 48 of 50 states in the presidential Electoral College ( 96 % )
Republican National Convention
2004 Republican National Convention
Sabato's Crystal Ball