Government vs Private Sector, What's More Efficient

Recently I was watching the 2012 Mitt Romney vs Barack Obama debate, they ended up talking about Obamacare. Mitt Romney unsurprisingly was against Obamacare, and one of the things he said was

Talk about - Owen arguing about SpaceX vs NASA -

https://www.npr.org/2012/10/03/162258551/transcript-first-obama-romney-presidential-debate