profesessor nakayama says bided chchoice of senatotor harris as running mate is a reasonable one. >> think it was a very sound choice on the part of biden, and she was the top runner from the beginning. and she basically had almost what biden wanted in a vice presidential candidate. you know, genderer is a factor. the e fact that she's a major r african-american politician is a factor as wellll. youth, she's 20 years younger than the vice president biden. >> he adds that she will be able to fully compete with incumbent vice president pence. he thinks the vice presidential candidate this time is more significant than usual. >> biden himself and even his supporters see biden's candidacy and potential presidency as being transitional in nature. so a vice presidential candidate may mamatter more e than previo cases in senatoror harris' casa. so in that respect, you know, harris pick makes sense. >> on the other hand, he predicts that the trump camp will attack harris as a radical but addsds that it is highly likely this will fail. >> trump team is going to try to portray her as being an