Hari Sreenivasan is an online and on-air correspondent for PBS NewsHour.

READ MORE

Features by Hari Sreenivasan

Digging for voters with Big Data

PBS NewsHour's Hari Sreenivasan explains how campaigns are using data to influence what shows up on your computer screen and on your doorstep.
Posted In: 2012 election, 2012 campaign
With Generous Support From...