http://www.slate.com/articles/news_and_politics/jurisprudence/2015/01/obama_s_supreme_court_justices_elena_kagan_and_sonia_sotomayor_have_elite.html

Whatever chance President Obama had of having another justice confirmed to the Supreme Court has probably disappeared now that the Republicans have assumed control of the Senate. This means that President Obama’s first two nominees to the court—Sonia Sotomayor and Elena Kagan—will likely be his only two nominees to the court.