Here is a recent article by President Obama.

Biden has to step outside and provide a contrast in style and substance to Trump, as do other leaders of the Democratic Party and democratic coalition. Actually, everybody, including each of us in whatever way we can, has to find our voice. Silence isn’t an option; speaking out at this tense and dangerous moment is a necessity.

The past week — and it’s too bad we as a country have to learn this way — provided more than enough reasons for a overhaul of our criminal justice system. A crucial element of any such overhaul is democratic and community control with teeth over police departments and policing.