Barkha Dutt of the Washington Post is the most-engaged top journalist on Twitter. 64% of the reporter’s tweets are at-replies. That’s how to use Twitter–as an engagement platform, not a broadcast platform. How do the other most-followed journalists on Twitter rate with their response level? Poynter published a list of the the most-followed journalists on Twitter:
Other useful questions to ask:
Are they using the platform as a tool to do their work? Are they using it simply for PR? What other avenues do they use to reach their viewers? Are they using it to disseminate actual news? Does their beat dictate specific needs for Twitter? (Tech journalists may be more heavy Twitter users, for example.)