east coast 8:00 in los angeles and this is america s late news, fox news at night. breaking tonight the president of the united states is now 81 years old and as the clock ticks concerns grow, especially among young people. polls now showing his disapproval rating among voters under 45 is at an all-time high with many saying he is simply too old to run the country and that includes members of his own party. senior national correspondent kevin corke is live with the latest on this. good evening. reporter: good evening trace, it is noticeable if you fall down while trying to climb the stairs up to air knows one, it is noticeable if you, you know, fall off of a bike or trip on stage at graduation or if you shuffle when you walk. yes, those things do paint a picture of what many consider an obvious physical decline associated with the being an octogenarian but it is his cognitive decline that is most worrisome especially for a lot of young democratic voters. case in point, the