San Diego (CNN) -- Now that President Barack Obama has broken his promise to take executive action on immigration, and put off the thorny issue until after the midterm elections -- and I predict, for the remainder of his presidency -- many immigration reform advocates are angry, surprised and disappointed. I'm none of those things. Here's my take: When it comes to Obama and immigration, keep your expectations low. Despite what he says, don't make the mistake of thinking that he actually supports legalizing the undocumented. Finally, whatever he says, don't assume it's the truth. When it comes to immigration,...