The panda project is in jeopardy according to the Zoo's CEO citing a change in city hall and national politics. Also complicating the matter, the main financial backer of the $25 million pledge might pull out support.
https://www.sfchronicle.com/bayarea/article/zoo-pandas-fundraising-politics-20018982.php
https://www.sfchronicle.com/bayarea/article/zoo-pandas-fundraising-politics-20018982.php