No.  What would have been "fake news" is if he had said "definitely will".  No one can predict the future with 100% accuracy, it's just that scientists are always careful to acknowledge that.  As far as he being "liberal"...how do you know what his politics are?  Did he say anything about his feelings on smaller government or free markets?  Physics don't have a political ideology - they are what they are.  There are no "alternative facts".