Fox News senior national correspondent Aishah Hasnie takes a look at reaction to claims made by two books about former President Joe Biden’s mental acuity and angst surrounding Kamala Harris’ sudden candidacy on ‘Special Report.’ Fox News senior national correspondent Aishah Hasnie takes a look at reaction to claims made by two books about former President Joe Biden’s mental acuity and angst surrounding Kamala Harris’ sudden candidacy on ‘Special Report.’