As he enters the Republican presidential race, Texas Gov. Rick Perry is striking some red-meat notes on the subject of immigration. Border security, he says, is a federal responsibility -- and immigration reform will have to wait until the border is secured. Invoking his beloved 10th Amendment, he proposes that in the meantime states should have some latitude to set their own course on the subject. As for Texas, he suggests, unauthorized immigration will not be treated lightly; earlier this year he called for a state law to abolish sanctuary cities, although the bill never made it to his desk....