2006 Libertarian Senate candidate John Butzier died in a plane crash yesterday . He was a medical doctor at Mercy Medical Center - Dubuque . The cause of the crash is still unknown . It remains unclear if weather played a role in the crash , although it was raining during the day and into the night Monday . Butzier 's name will remain on the ballot in the November election .
2006 Libertarian Senate candidate John Butzier died in a plane crash yesterday . He was a medical doctor at Mercy Medical Center - Dubuque . The cause of the crash is still unknown . Butzier 's name will remain on the ballot in the November election .