Giuliani threatens legal battle with Mueller over subpoena  —  The president's lawyer Rudy Giuliani threatened a legal battle with special counsel Robert Mueller if he attempts to subpoena Donald Trump.  —  “If Mueller tries to subpoena us, we're going to court,” Giuliani told ABC News.

A Clueless “Final Year”  —  Remember the Duck Rabbit?  That's the famous image that, seen one way, looks like a duck but, seen from another angle, looks like a rabbit.  The image has provided fodder for children's books and also philosophers, its inherent ambiguity being catnip to both light fancy and epistemological lucubration.

Inside the White House During the Syrian ‘Red Line’ Crisis  —  In the course of a presidency, a U.S. president says millions of words in public.  You never know which of them end up cementing a certain impression.  For Barack Obama, one of those phrases would be “red line.”