 News Radio 1310 KNOX 1079 1033 FM. Good morning. It is 9-11-64. Our daytime high today, 79. My name is Noah Cholai. I am your host. Delighted to be here with you this morning. President Joe Biden's decision to debate former President Donald Trump early on was perceived as an effort to change the narrative in a race dominated by concerns over his age. His performance Thursday only amplified those worries.