Public funds ploughing cash into AI will own megatrends shaping economy

* PwC estimates sovereign wealth fund assets to rise nearly 50% to $22.4 trillion by 2030* Public pension assets forecast to reach $36.3 trillion* State investors take bigger direct role in deals, infrastructure* AI investment is tilted toward USBy Libby GeorgeLONDON, Nov 12 (Reuters) - Sovereign wealth fund assets are set to surge nearly 50% to $22.4 trillion by 2030 as state-backed investors deepen their involvement in artificial intelligence…