The polling business has undergone profound changes since the start of the 21st century, especially in its response to new technology and the altered habits of potential respondents. We often hear from representatives of the media or university end of polling, but today Henry sits down with a guest who has skin in the game: professional political pollster Jon Lerner. The two discuss how these new entrants have changed the playing field, address the live question about the relative value of modeling, and consider alternative methods for addressing demographically uneven response rates. 

Plus, Republican candidates are publicly breaking with Trump in political advertisements and Henry rants about why they're doing so and what this portends. And speaking of ads, we've got a trio sampler of effective approaches to kick off general election season: one positive, one negative, and one that's just plain funny.

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