WashPo has a good piece about how Baltimore and other cities (Detroit, Dayton) struggling with declining populations are welcoming Mexican immigrants in hopes of rejuvenating their cities. Smart idea.

The welcome mats thrown out by struggling cities and states stand in stark contrast to the reception immigrants have faced in places such as Arizona and Alabama. There, laws requiring police to ask a person’s immigration status have raised concerns about racial profiling among many immigrants, whether or not they are in the country legally, and many have left because of the stricter laws, as well as the recession.

Local Republicans, in their political wisdom, are doing their best to stop the trend….