12/21/2012 02:28 pm ET Updated Jan 18, 2013

Do The Math 'Outliers'

Sasha Issenberg chronicles the use of data analytics and surveys by the Obama and Romney campaigns (continues in parts two and three).

Erica Seifert takes a victory lap for Democracy Corps.

John Sides navigates the debate about redistricting.

Former NRCC pollster launches IVR firm Harper Polling.

Daily Kos gets into the pollster ratings game (and also takes a look at the best Senate predictions.)

Mark Mellman reflects on what he got wrong - and right - in 2012.

Dan Gillmour channels Harper Reed, tells journalists to do the math.