SAN DIEGO — Former President Barack Obama said Sunday that the Republican Party is standing in the way of immigration reform and embracing rhetoric that is dangerous for the country. Obama’s comments came during an in-person question-and-answer keynote at San Diego’s annual L’Attitude conference at the Manchester Grand Hyatt. The event spotlights Latino business, innovation and consumers. “Right now, the biggest fuel behind the Republican agenda is related to immigration and the fear that somehow America’s character is going to be changed if, people of darker shades, there are too many of them…