Cornell University announced the closing of its Ithaca, N.Y., campus due to the rise in cases of the omicron variant of COVID-19. sach1tb/Flickr hide caption toggle caption sach1tb/Flickr Cornell University announced the closing of its Ithaca, N.Y., campus due to the rise in cases of the omicron variant of COVID-19. sach1tb/Flickr Cornell University is shutting…