Escondido city officials refuse to give up. Two years ago, the city passed an ordinance to punish landlords for renting to illegal immigrants. But it rescinded the rental restriction after a legal challenge was filed and bills began to mount. Now Escondido is trying a new approach to what it calls the "public nuisances" of illegal immigration, citing residents for code violations such as garage conversions, graffiti and junk cars. The city is also debating a new ordinance that would restrict overnight street parking without a permit. In addition, it is drafting a policy that would prohibit drivers from picking...