Pressure from animal rights group one reason
https://www.google.com/amp/s/www.washingtonpost.com/amphtml/national/apnewsbreak-ringling-bros-circus-to-close-after-146-years/2017/01/14/672bfe94-dad0-11e6-a0e6-d502d6751bc8_story.html
A remaining circus are Democrats who are completely unhinged. This show comes with clowns like Schumer and the MSM.