While you may not be able to watch tonight's V.P. debate on your iPhone, you can sure keep up with the polls. Poll Tracker '08 (iTunes link US$0.99) is an iPhone application that's a dream for election junkies and politicos of all stripes.
Poll Tracker '08 is an iPhone application that follows all of the state-by-state election polling and display the total number of the electoral votes each candidate would have if the election were to be held today. It provides graphs and charts of the current polling in every state and historical pollings trends and voting patterns.
A main navigation button lists battleground states so you can quickly follow states with the closest races and national polling data from Gallup and Rassmussen gives you the big picture.