A fired up President Barack Obama had a message to immigration activists at a dinner this evening in Washington, D.C.: "no force on earth can stop us." "The clearest path to change is to change [the voter turnout] number," said Obama "Si se puede, si votamos! Yes, we can, if we vote!" "You know, earlier this year, I had a chance to host a screening of the film Cesar Chavez at the White House, and I was reminded that Cesar organized for nearly 20 years before his first major victory. He never saw that time as a failure. Looking back,...