WASHINGTON (Reuters) - The Milky Way is warped -- like a bowl, a saddle or the brim of a fedora hat, depending on when you look -- and a pair of interloping galaxies may be to blame, astronomers said on Monday. Earth is in a fairly non-warped neighborhood, because it lies relatively close to the center of the Milky Way's disk, said Leo Blitz of the University of California, Berkeley. But the far-flung reaches of the galaxy could be caught up in a warp of as much as 20,000 light-years. A light-year is about 6 trillion miles, the distance light...