Joanna Rankin of University of Vermont will present the New Mexico NRAO Colloquium. She will discuss "Synchronous X-ray and Radio Mode Changing in Pulsar B0943+10: Evidence for a Rapid Global Transformation of the Magnetosphere." All NRAO employees are invited to attend via video. The following rooms have been reserved at NRAO sites: CVAUD/GB137/TUC525. The colloquium is at 11 a.m.