You know how on DVDs (remember those?) there used to be "Easter eggs"? You could fiddle around in the menu screens and sometimes there would be surprise bonus features like outtakes or making-of featurettes.
Elena Kagan might be an Easter egg for the court. According to the Wikipedia article, liberals are afraid that she will draw the court substantially to the right. I can tell you, from my interactions with conservatives there is not a whiff of hope from them that such is the case.
On the other hand, if one can have faith in Resurrection then it is certainly possible that President Obama's Solicitor General-turned-Associate Justice will vote down the Patient Protection and Affordable Care Act. In fact it may have already happened. I also kept that lottery ticket I found last week at McDonalds.