How much do the campaigns know about you?

Sasha Issenberg stopped into CBS News this week to discuss his new book "The Victory Lab," which describes how political campaigns are increasingly using sophisticated statistical analysis to target voters. Think of "Moneyball" - but for politics.

In our interview, Sasha discusses how campaigns use "thousands" of data points to decide which voters to target, how a letter spotlighting the voting history of the neighbors can drive up voter turnout, and which campaign has the edge in 2012. Check it out above.