56 days: Kamala Harris has yet to do formal press conference since emerging as Democratic nominee

Vice President Kamala Harris has gone exactly eight weeks as the presumptive, and now, official Democratic nominee for president without holding an official press conference. 

Under pressure to sit down for a substantive interview after weeks of stonewalling, Harris finally ended her interview drought last month in Georgia when she was joined by running mate Tim Walz for a pre-taped piece with CNN's Dana Bash that was a far cry from a traditional press conference.

Trump held his third...