“As international authorities strive to harmonize a myriad of rules for carry-on flight luggage, a Russian-American jazz musician is nursing a broken arm he said he suffered in a struggle with French airport police over his right to board with a prized trumpet. The musician, Valery Ponomarev, 63, a former member of Art Blakey’s Jazz Messengers, was preparing to board an Air India flight on Sept. 9 from Paris to New York City, where he lives, when a routine airport ritual erupted into a fierce dispute over his 1961 Connstellation trumpet.”