"Casual" and "frequent" seem to be the formula for campaign fundraising emails.
A look at the work of campaign trackers as they follow every step of political campaigns across the country.
PBS NewsHour's Hari Sreenivasan explains how campaigns are using data to influence what shows up on your computer screen and on your doorstep.
For some candidates and their staff, the nomination is lucrative — even if they don't win.
The promoted Twitter hashtag is the first paid for by a presidential campaign.
The difference between power sharing at the head of the country, instead of at a company.
Demand for the 15- and 30-second spots that automatically play before online videos are sold out in some markets or being auctioned off at record prices in others.
But is there a risk negative ads will turn off viewers?
Super PAC runs ad linking tea party favorite Cruz to criminal
As President Obama's "Betting on America" tour gets underway, we ask a linguist: What does it mean to "bet" on the country?
