From yesterday: I’m somewhere high above the earth, writing a blog post, on my way to Santa Ana/Orange County airport to visit my little sister. You may have heard me mention in other posts, but she is currently undergoing chemotherapy for Hodgkin’s Lymphoma. After spending four days with her, I’m going to be visiting my great aunt in San Francisco, who’s also been diagnosed with cancer. It’s a bittersweet “vacation”–I found it very difficult to leave my two and a half year old this morning. But as usual, he seemed more besotted with my mom than worried about his Mommy going on a trip across the country. Someday he will…