An esteemed member of the GBB, Don Cardi, started this thread on Vario a long time ago. Interesting discussion ensued:
http://www.gangsterbb.net/threads/ubbthreads.php?ubb=showflat&Number=607971&Searchpage=1&Main=22051&Words=%2BVario&Search=true#Post607971
Ernest Volkman, in his book about Lufthansa, said Vario backed Burke for the heist because Vario was desperate to regain his status as top Lucchese capo/street boss.