♪ >> lesley stahl: tonight, in what has become an election year tradition for "60 minutes," conversations with the major party candidates for president and vice president of the united states. later, norah o'donnell interviews former vice president joe biden and his running mate senator kamala harris, but we begin with president donald trump and vice president mike pence. i spoke with the president on tuesday in the roosevelt room at the white house. we had prepared to talk about the many issues and questions facing the president, but in what has become an all-too- public dust-up, the conversation was cut short. it began politely, but ended regrettably, contentiously. are you ready for some tough questions? >> president donald trump: you're gonna be fair. >> stahl: are you g-- >> president trump: just be- >> stahl: i'm gonna be fair. >> president trump: just be fair. >> stahl: but you're okay with some tough questions? >> president trump: no, i'm not. i mean-- >> stahl: (laugh) you're...

every corporation pay minimum 15% tax; you got 91 pay no tax. that raises over $400 billion. i can send every single

vote no on prop 22. ( ticking ) >> norah o'donnell: when we spoke with joe biden this past week in wilmington, delaware, the former vice president was ahead in the polls, but confronting a withering final assault from president trump. as the presidential campaign enters its final full week, we also had questions for his running mate, california senator kamala harris. in our conversation, joe biden discussed how much he'd be influenced by progressives within his own party, whether his proposed tax increases would hurt the economy, and how he views the current state of the race. with less than two weeks to go before election day, you have held a steady lead in the national and state polls, but so did hillary clinton four years ago. could donald trump still win this? >> joe biden: sure. i'm one of those folks, or competitors, it's not over till the bell rings. and i feel superstitious when i predict anything other than gonna be a hard fight. we feel good about where we are. but, you...

filled with executive orders, congressional initiatives, but no comprehensive health plan. >> vice president mike pence: hello, lesley. >> stahl: hi, mr. vice president. while our interview with the president did not go forward, the one scheduled with the vice president did. >> stahl: so what just happened with the president? >> vice president pence: lesley, president trump is a man who speaks his mind. i think it's one of the great strengths that he's had-- >> stahl: but he walked out- >> vice president pence: --as president of the united states, is that the american people always know where they stand. >> stahl: i'll buy that- >> vice president pence: and he's always ready. and the american people know that-- in this time, it's, it's- - it's less about the back and forth with the media, and it's-- it's really more about how we bring this country all the way back. >> stahl: we then asked the vice president to put on his hat as the head of the white house coronavirus task force. dr....

would neither confirm nor deny to "60 minutes" that one was taking place. do you believe the recent leak of material allegedly from hunter's computer is part of a russian disinformation campaign? >> joe biden: from what i've read and know the intelligence community warned the president that giuliani was being fed disinformation from the russians. and we also know that putin is trying very hard to spread disinformation about joe biden. and so when you put the combination of russia, giuliani, the president, together, it's just what it is. it's a smear campaign because he