Trump says it is "critically important" that the CFTC has exclusive authority to oversee prediction markets, as some US states attempt to regulate them (Ashleigh Fields/The Hill)

Ashleigh Fields / The Hill: Trump says it is “critically important” that the CFTC has exclusive authority to oversee prediction markets, as some US states attempt to regulate them — President Trump on Tuesday said it was “critically important” for the Commodity Futures Trading Commission (CFTC) …