LAS VEGAS (AP) — Ron Paul says he favors a compassionate immigration policy that doesn't rely on "barbed wire fences and guns on the border."Paul discussed immigration Wednesday at a Hispanic event in Las Vegas. The Texas congressman plans several days of campaigning in Nevada before the state's GOP caucuses on Saturday.Paul said immigrants have been unfairly blamed for the bad economy. He said even during a recession, the U.S. needs immigrant labor.Paul said he doesn't favor illegal immigration but opposes any effort to round people up and ship them away.He's also against laws that require immigrants to carry proof of legal status. He says he doesn't want to live in a country where people are required to carry identity papers.