Face the Nation Diary

John Dickerson discusses why tonight's Republican primary debate might be the last, best chance Marco Rubio and Ted Cruz have to halt Donald Trump's march to the GOP presidential nomination.

In this February 22 entry, "Face the Nation" moderator John Dickerson explains the significance of Donald Trump's win in South Carolina and scenarios that could halt his historic run to the Republican nomination. Can Trump be stopped?

After a busy weekend moderating the GOP debate in South Carolina, John Dickerson discusses what a Donald Trump victory in South Carolina would mean - and whether anyone could stop him from getting the nomination if that happens.

After big wins for Bernie Sanders and Donald Trump in the New Hampshire primary, John Dickerson assesses where the race stands for both parties as the candidates head to South Carolina.

John Dickerson reports from New Hampshire, where the nation's first primary of 2016 is underway. How will tonight's results effect the race to the White House?

John Dickerson takes a look back at the debate-night tensions that flared up between New Jersey Gov. Chris Christie and Florida Sen. Marco Rubio, just days ahead of New Hampshire's primary

John Dickerson examines the exchange between Hillary Clinton and Bernie Sanders on Wall Street at last night's Democratic primary debate, including Clinton's charge that the Sanders campaign is carrying out a "very artful smear" by implying her donations from the financial industry might color her policy decisions.

John Dickerson looks at the expectations for the Republican presidential campaigns as the New Hampshire primary looms, and why some candidates may need to "win or go home."

John Dickerson discusses what political observers can learn from the Iowa caucuses, which were won, on the GOP side, by Texas Sen. Ted Cruz.

In the February 1 entry, Dickerson discusses the Iowa Caucuses which marks the official beginning of voting in the Republican and Democratic primaries. Which campaign strategies will pay off and what should we expect when the results come in tonight??