On this 250th anniversary of our nation, as Americans gather on July 4 beneath skies illuminated by fireworks and streets adorned in red, white and blue, my heart is fraught with mixed emotions. I love this country, yet I grieve for it. I celebrate the democratic ideals that have inspired generations, yet I lament how dangerously far we have wandered from them. Given the political and social upheavals of the past year and a half, this moment cal…