It's Tuesday News Day and here is what we have on tap.

• President Trump signs executive order requiring hospitals and insurers to reveal their negotiated contract prices HealthcareFinanceNews.com Susan Morse
• Hoag Hospital showcases the use of virtual reality in the operating room Orange County Register Lou Ponsi
• Vanderbilt University Medical Center Launches Public Health Informatics Center www.hcinnovationgroup.com Rajiv Leaventhal 
• NewYork-Presbyterian launches Hauser Institute for Health Innovation HealthcareITNews.com Bill Siwicki