The Circus

Clinton faces what might be her toughest opponent to date: WikiLeaks.

Clinton faces what might be her toughest opponent to date: WikiLeaks.

Clinton faces what might be her toughest opponent to date: WikiLeaks.

Clinton faces what might be her toughest opponent to date: WikiLeaks.

Clinton faces what might be her toughest opponent to date: WikiLeaks.

Clinton faces what might be her toughest opponent to date: WikiLeaks.

The campaigns target a handful of states that could swing the election.

Questions about the candidates' fitness to lead take an unexpected turn.

Clinton faces what might be her toughest opponent to date: WikiLeaks.

The Democrats make Hillary Clinton a historic nominee in Philadelphia.

The circus goes into overdrive as Trump is crowned the Republican nominee.

Clinton and Trump home in on the high-stakes choice of running mate.

In the wake of more scandal, Trump and Clinton take each other down.

Catch-up on the rousing first twelve weeks of the 2016 presidential race.

The candidates crisscross Wisconsin in pursuit of competing agendas.

As foreign policy comes to the fore can Trump and Clinton handle the heat?

Clinton faces what might be her toughest opponent to date: WikiLeaks.

It's make or break time for Rubio, Kasich and Sanders in Florida and Ohio.

Reckoning with the results of Super Tuesday. And can anyone stop Trump?

Down to The Big Five, all eyes are on the upcoming prize: Super Tuesday.

Anxiety grows about how high the stakes are in Nevada and South Carolina.

Journeying into the hard truths coming up in South Carolina and Nevada.

Inside the Iowa fallout and who's got momentum leading into New Hampshire.

Angst and drama are brewing in the lead up to the Iowa caucuses.