Here's a video of the NASA Social event about this mission. 96 minutes in, they talk about reentry. As far as I'm aware, there aren't any current plans to bring anything back this time.
www.YouTube.com/watch?=jjutZLmKchs
The NASA TV schedule says there is live coverage of the launch,starting at 2:30.
Scratch that, they said they are goin to load some cargo to return.
Launch was aborted, next attempt is on Tuesday.
Did ya know ... SpaceX is supposed to launch their Falcon 9 rocket with the Dragon capsule at 3:15 Saturday morning, to try to dock with the ISS?