By Chuck Barney / The Bulletin
August 2, 2009
Defying Gravity' 9 tonight on ABC
Moon missions are so 1969. In the sci-fi thriller "Defying Gravity," astronauts embark on a voyage to Venus that will take six years. Wanna bet the series doesn't last nearly that long?
Entourage' 10:30 tonight on HBO
Clear the casting couch. On....