For all her star power, Kamala Harris is still 'a blank slate' to many voters

Kamala Harris' campaign is in a race to define her before Donald Trump campaign does. Polls show that people know who she is but not much about her.

For all her star power, Kamala Harris is still 'a blank slate' to many voters

Kamala Harris' campaign is in a race to define her before Donald Trump campaign does. Polls show that people know who she is but not much about her.