The issue focused on Democratic Senator Kamala Harris of California, who has worked with Russia on cyber issues in the past. As part of an investigation into Russian hacking of the Democratic National Committee, Harris sent a letter to President Donald Trump asking for any reports that Trump had colluded with Russia to hack her computer system.

Trump fired back at Harris on Twitter.

Kavanaugh's accusers want him to withdraw from Senate race – because they don't think he can win Read more

"Can you