I couldn't find the answer to my LOR question in the other posts so here goes. I'm a post bac student and have only taken science classes for the past few years, so I have 3 LORs from science professors. I got my BA in New York in 2004 and now that I'm in CA and it's been so long since I graduated, I have no non-science letters. Is that going to be a problem? I notice that a lot of schools require one...