© 2022 Iowa Public RadioPlay Live Radio0:000:00Available On Air StationsOne of the great secrets of Iowa sports history is that the Hawkeye State had a professional basketball team at one time.  It didn't last long (just one season) and the new NBA had a hard time attracting fans, but Iowa fans were thrilled to have the Waterloo Hawks as part of the league.Cedar Falls broadcaster Tim Harwood, the voice of the Waterloo Black Hawks hockey team since 2005, has written about Waterloo's NBA team, whose sole season was from 1949 to 1950, in the new book: "Ball Hawks: The Arrival and...…© 2022 Iowa Public RadioPlay Live Radio0:000:00Available On Air StationsOne of the great secrets of Iowa sports history is that the Hawkeye State had a professional basketball team at one time.  It didn't last long (just one season) and the new NBA had a hard time attracting fans, but Iowa fans were thrilled to have the Waterloo Hawks as part of the league.Cedar Falls broadcaster Tim Harwood, the voice of the Waterloo Black Hawks hockey team since 2005, has written about Waterloo's NBA team, whose sole season was from 1949 to 1950, in the new book: "Ball Hawks: The Arrival and...WW…