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Anthony Salvanto unveils the mysteries of polling

Name: Anthony Salvanto unveils the mysteries of polling
Uploaded: 2018-08-19T11:50:09-0400
Duration: 4 min 53 s
Description: CBS News Director of Elections and Surveys Anthony Salvanto joins Margaret Brennan to discuss his new book, "Where Did You Get This Number?" and explain how his team conducts polls.

CBS News Director of Elections and Surveys Anthony Salvanto joins Margaret Brennan to discuss his new book, "Where Did You Get This Number?" and explain how his team conducts polls.