In Washington, National Zoo officials remained conspicuously silent about negotiations for a new panda agreement, but they expressed optimism about striking a new deal and launched a multimillion-dollar renovation of its panda enclosure in anticipation. Then in late May, zoo director Brandie Smith teamed up with first lady Jill Biden to announce that Bao Li and Qing Bao would be arriving by the end of this year.
MDT/AP