They are a reminder that our values are not given but earned. And that each of us has a responsibility to affirm the respect and decency that binds us together.I know that many people across the country will understandably be frightened by what they may see today.Muslim and ethnic minority communities concerned by the “Unite the Kingdom” march.Jewish communities worried by the antisemitism that has too often accompanied demonstrations related to the Middle East.Parents worried about what kind of country their children are growing up in when anger and hatred seem so loud.I understand those concerns. They are concerns I...