Original: In the episodes '' In the Shadow of Two Gunmen , Part I '' , '' In the Shadow of Two Gunmen , Part II '' and '' Bartlet for America '' , flashbacks are used to tell how Bartlet defeated Texas Senator John Hoynes ( Tim Matheson ) and Washington Senator William Wiley for the Democratic nomination .
Simplified: In the episodes '' In the Shadow of Two Gunmen '' and '' Bartlet for America '' , flashbacks are used to tell how Bartlet defeated Texas Senator John Hoynes ( Tim Matheson ) and Washington Senator William Wiley for the Democratic nomination .