Older voters could be a sweet spot for Biden in November 

U.S. President Joe Biden’s halting performance at last month’s presidential debate triggered questions about the president’s age and ability to serve another four years. One group of voters that might empathize with the president’s plight are older people. Historically, people over 65 are the most reliable bloc of voters in presidential elections. VOA’s Dora Mekouar reports. VOA footage by Adam Greenbaum.