There are still major questions to be asked of the Network API market. Ericsson’s joint venture with a dozen-plus operators, Aduna, made its global debut at MWC, but there are still plenty of skeptics to convince. Wireless Watch is one of them, but it was encouraging to see the raft of announcements made in the run up to the show. Now that the dust has settled, we spoke with Aduna CEO Anthony Bartolo, an API industry veteran, to check in on progress, and gauge the momentum driving the trend. Digging around for our upcoming RAN Research forecast for the Network API market meant that a lot of our initial discussion was off the record, unfortunately. However, plenty was fine for…