AIKEN, SC - DECEMBER 12: Republican presidential candidate Donald Trump speaks to the crowd at a town hall meeting December 12, 2015 in Aiken, South Carolina. The South Carolina Republican primary is scheduled for February 20, 2016.
Video Ad Feedback
Trump: Cruz is a 'maniac'
The Lead
Donald Trump's closest rival in the polls is Sen. Ted Cruz. Trump has resorted to branding his rival a "maniac." CNN's John Berman reports.
2:11 • Source: CNN
Race to 2016 16 videos
AIKEN, SC - DECEMBER 12: Republican presidential candidate Donald Trump speaks to the crowd at a town hall meeting December 12, 2015 in Aiken, South Carolina. The South Carolina Republican primary is scheduled for February 20, 2016.
Video Ad Feedback
Trump: Cruz is a 'maniac'
02:11
Now playing
• Source: CNN
electioneering explainer danny cevallos orig_00001425.jpg
Video Ad Feedback
States can actually limit free speech on Election Day
01:13
Now playing
• Source: CNN
U.S. Sen. Bernie Sanders (I-VT) speaks during a campaign rally with democratic presidential nominee former Secretary of State Hillary Clinton at University of New Hampshire on September 28, 2016 in Durham, New Hampshire.
Video Ad Feedback
2016 presidential campaigns in memoriam
03:00
Now playing
• Source: CNN
presidential election scandals
Video Ad Feedback
They made it to the White House despite scandals
02:10
Now playing
• Source: CNN
history of the october surprise foreman ac pkg_00005811.jpg
Video Ad Feedback
The history of the October surprise
02:14
Now playing
• Source: CNN
36 years of cnn elections
Video Ad Feedback
36 years of election nights on CNN
04:02
Now playing
• Source: CNN
bush gore election thumb
Video Ad Feedback
Watch 9 elections get called on CNN in under one minute
01:15
Now playing
• Source: CNN
hillary clinton rally daytona beach fbi investigation sot_00002801.jpg
Video Ad Feedback
Clinton calls FBI director's actions unprecedented
00:57
Now playing
• Source: CNN
trump voter id podesta fact check origwx bw_00004624.jpg
Video Ad Feedback
Fact check: Trump on undocumented immigrants and voting
02:16
Now playing
• Source: CNN
hillary clinton rally time lapse origwx bw_00004417.jpg
Video Ad Feedback
Hillary Clinton's historic night in time-lapse
01:21
Now playing
• Source: CNN
NEW YORK, NY - JULY 23: Anthony Weiner, a leading candidate for New York City mayor, stands with his wife Huma Abedin during a press conference on July 23, 2013 in New York City. Weiner addressed news of new allegations that he engaged in lewd online conversations with a woman after he resigned from Congress for similar previous incidents. (Photo by John Moore/Getty Images)
Video Ad Feedback
Clinton's history with Anthony Weiner
02:01
Now playing
• Source: CNN
Many North Carolina voters remain undecided in upcoming presidential election_00001405.jpg
Video Ad Feedback
Some North Carolina voters hesitant to pick a candidate
02:15
Now playing
• Source: CNN
joe biden hillary clinton election intv sot smerconish _00000000.jpg
Video Ad Feedback
Biden: I thought I could beat Hillary Clinton
00:46
Now playing
• Source: CNN
cnnee pkg rodriguez clinton global iniciative hillary emails_00002301.jpg
Video Ad Feedback
Hillary Clinton's explanations of her email saga
02:47
Now playing
• Source: CNN
Gary Johnson Guardian Interview
Video Ad Feedback
Gary Johnson snaps at reporter
01:17
Now playing
• Source: CNN
Democratic Presidential candidate Hillary Clinton and US Vice President Joe Biden acknowledge the crowd at Riverfront Sports athletic facility on August 15, 2016 in Scranton, Pennsylvania.
Video Ad Feedback
Biden on Clinton's Secretary of State list?
01:26
Now playing
• Source: CNN