Top Stories for 9/3

California union workers score raises in new contracts; Inspiration4 to collect data on effects of space flight. Also: Telehealth should focus on interoperability, usability.Links to the stories:Caregivers at three California Tenet Healthcare hospitals approve double-digit pay raises in new contractsInspiration4 mission expands health research on spaceflightStanford researchers: Telemedicine optimization requires training, interoperability