PETER. >> HE DEBATED A COUPLE MONTHS AGO. HARRIS HAS NOT DONE ONE. I APPRECIATE IT. >>> VICE PRESIDENT HARRIS IS BEHIND THE SCENES THIS WEEKEND PREPARING FOR THE FIRST DEBATE WITH MR. TRUMP. THE DEBATE IS THREE DAYS AWAY. AARON GILCHRIST IS IN PITTSBURGH THIS MORNING WHERE THE VP IS GETTING READY. AARON, GOOD MORNING. >> Reporter: LAURA, GOOD MORNING. IT IS DAY THREE FOR HARRIS HERE IN PITTSBURGH LEANING IN FOR THE PREPS FOR THE FIRST MEETING FOR THE DEBATE WITH FORMER PRESIDENT TRUMP. FOCUSING ON THE VIDEO OF TRUMP TAKING CREDIT FOR OVERTURNING ROE V. WADE. WE UNDERSTAND IN TENSE Q&A SESSIONS WILL CONTINUE THROUGH MONDAY AND POSSIBLY THROUGH DEBATE TUESDAY. HARRIS WILL DETAIL HER VISION FOR AMERICA AND NOT FOCUS JUST ON FACTS AND FIGURES, BUT PREP STRATEGY IS TO GET UNDER TRUMP'S SKIN. HARRIS DOESN'T HAVE ANY OFFICIAL CAMPAIGN EVENTS THIS WEEKEND, BUT WE MAY SEE HERE OUT IN THE AREA OF THE GREAT