A Bay Area group that supports immigrant workers and opposes citizens who take it upon themselves to patrol the US border with Mexico held a rally Sunday in San Francisco's Mission District to welcome a caravan of migrant worker activists on a 25 city national tour. From San Francisco, the group will travel to Sacramento, then on, across the country, eventually to the nation's capitol where they will lobby legislators to oppose the proposed Border Protection, Antiterrorism, and Illegal Immigration Control Act of 2005 or HR 4437. That bill would expand enforcement of undocumented border crossings and toughen penalties for...