WASHINGTON — The White House announced Nov. 29 it plans to nominate the treasurer of the state of Arizona to be NASA’s next chief financial officer. In a statement issued late Nov. 29, the Trump administration said it plans to nominate Jeffrey DeWit to the post, one of four at NASA that requires Senate confirmation. Such announcements normally precede a formal nomination by a few days. DeWit has a strong background in finance, but none in space. He founded the trading company ECHOtrade in 1999 and served as its chief executive until being elected as treasurer of Arizona in 2014....