The Rigor of AngelsA poet, a physicist, and a philosopher explored the greatest enigmas in the universe the nature of free will, the strange fabric of the cosmos, the true limits of the mind and each in their own way uncovered a revelatory truth about our place in the world Argentine poet Jorge Luis Borges was madly in love when his life was shattered by painful heartbreak. But the breakdown that followed illuminated an incontrovertible truth that love is necessarily