Secretary of State Hillary Rodham Clinton has gone on the record stating she will not run for the nation's top job again.

Depending on which source you look the information about the Israeli elections is conflicting. The results of early exit polls show to Tzipi Livni may be the winner, but but Kadima and Likud claim an election victory in Israel. We just have to wait and see the the full results of the election. It is hardly possible to identify the winner with only the results of the early exit polls when the votes are so close.

Political prediction markets -- in which participants buy and sell "contracts" based on who they think will win an election -- accurately predicted Barack Obama's 2008 victory.

Of all the conceivable problems that could lead to a miscount Election Day, there's one possibility that voters can do something about – avoid making election machine-related errors, says a University of Maryland researcher who led a comprehensive study of voter problems using touch screen and paper-based machines.

The 2008 presidential campaign, as reflected in candidates' television spots, has been one of the most negative campaigns in history.

Brain-imaging studies reveal that voting decisions are more associated with the brain's response to negative aspects of a politician's appearance than to positive ones, says a team of researchers from the California Institute of Technology (Caltech), Scripps College, Princeton University, and the University of Iowa.

Newspaper endorsements for presidential candidates can influence voting decisions, according to new research by two Brown University economists.

Do "undecided" voters actually make their choices before they realize?

During election season, Americans are reminded of their freedoms and rights that allow them to vote for their leaders. As countless political polls try to predict how voters are being swayed, those polled may not be allowed to vote at all.

Democrat Barack Obama and Republican John McCain are preparing for their first presidential debate this week. William Benoit, one of the nation's leading experts on political campaigns at the University of Missouri, says presidential debates have become an important part of presidential campaigns since 1960.

Anticipating what is likely to be one of the most interesting elections in modern history, University at Buffalo professor of political science James E. Campbell and Michael S. Lewis-Beck, professor of political science at the University of Iowa, have assembled the insights of prominent election forecasters in a special issue of the International Journal of Forecasting published this month.