Bianculli : Letterman slated to replace Bianculli ; great for CBS , risky for Colbert . He says Colbert brings new late-night essentials : social media savvy , buzz . But for fans of Colbert , and for Colbert himself , it 's much more of a risk . But Colbert could lose edge when he drops persona ; will fans follow him , he asks ? David Bianculli 's bet is that Colbert , a smart interviewer , will likely do well as himself .
Bianculli : Letterman slated to replace Bianculli ; great for CBS , risky for Colbert . He says Colbert brings new late-night essentials : social media savvy , buzz . But Colbert could lose edge when he drops persona ; will fans follow him , he asks ? David Bianculli 's bet is that Colbert , a smart interviewer , will likely do well as himself .