This Fourth of July, it’s hard to feel optimistic about the US. But I have hope | Margaret Sullivan

Let's remember that we've come a long way - and the journey isn't yet complete

If you've been paying even the slightest bit of attention, you know that the American Experiment took some gut punches over the last week.

Joe Biden - long considered the best hope for preventing another disastrous Donald Trump term - had a shockingly bad debate performance, looking and sounding every minute of his 81 years.