Blake Zeff | KALW

Blake Zeff

  On this edition of Your Call, we continue our series on presidential candidates' records and policies by talking about multi-billionaire businessman and former mayor of New York City, Michael Bloomberg. 

According to the ad-tracking firm Advertising Analytics, Bloomberg, who is self-funding his campaign, has spent more than $464 million on ads since entering the Democratic presidential race last November. No presidential candidate candidate in US history has spent so much money so quickly. Why is Bloomberg running and what do you want to know about him?