The presidential candidates will speak directly to uncommitted voters at their second debate, on Sunday night in St. Louis.
Using data-visualization technology, organizers can monitor everything from the density of runners at any given mile to the status of medical tents.
Pence's top moments of the night included the economy and criticizing Hillary Clinton, the GOP said before the start of the debate.
Essential "Newsweek" articles about Tim Kaine and Mike Pence, ahead of their only debate.
The Florida senator is Trump's most prominent Cuban-American supporter in Florida.
The national tour will reach at last 43 cities across 14 states in six weeks and end on Election Day.
NBC's Lester Holt, the moderator, chose three topics for the first debate: America's direction, achieving prosperity and securing the U.S.
A look at the city's numbers could offer some insight into the violence following the police shooting of Keith Lamont Scott.
The U.S. Secret Service has paid Trump $1.6 million for its agents to fly on a plane owned by the candidate.
A new survey finds little support for Hillary Clinton in the presidential race.
"Super owners" possess an average of 17 guns each.
The reality TV star says he would ask the Republican presidential nominee (and former reality TV star) "simple stuff he should know."
Roger Ailes gave Donald Trump a weekly call-in segment to discuss political issues, Fox sources told "New York" magazine.
The former Democratic presidential candidate is taking his political push beyond November with a new group and a book.
Republicans are asking why the Clinton Foundation has now decided to stop accepting foreign donations if Hillary Clinton becomes president.