Gettysburg is sacred ground. Don’t defile it with a partisan political event

As a child in Queens, N.Y., I loved to sing the anthems my elementary school taught us, especially “My Country ’Tis of Thee.” My parents emigrated to the United States from Hong Kong only a few years before I was born, so it might have been a little odd that I proudly sang, “Land where my fathers died/Land of the pilgrims’ pride/From ev’ry mountainside/Let freedom ring!”