Japanese Finance Minister Taro Aso said on Tuesday it would be desirable if the China-backed Asian Infrastructure Investment Bank (AIIB) could work with the Asian Development Bank (ADB) in meeting growing demand for infrastructure financing in Asia. At least 35 countries will join the AIIB by the March 31 deadline, the bank’s interim chief announced on Sunday. It has been seen as a challenge to the World Bank and ADB, institutions Washington helped found and over which it exerts considerable influence. “As demand for an absolute quantity of (infrastructure) financing is growing …