Over the past decade, Fox News has consistently mentioned freedom of speech more often than CNN and MSNBC, a trend which really took off during Obama's second term and accelerated even further with the election of Donald Trump.
The timeline below shows the percentage of airtime on CNN, MSNBC and Fox News mentioning " ("free speech" OR "freedom of speech" OR "first amendment") " from July 2009 through present.
The barchart below collapses this timeline by station showing just how much more Fox News has covered freedom of speech compared with the other two stations.