It's certain they take the house, 100% certain. They need 218 seats to control it and they have 224 pretty much locked in. There are 44 toss ups and they're likely to win many of those as well.
The Senate gains will be enough that it would take more than peeling off just a few Republicans to get something passed.
The Baghdad Bob reference is to the Iraqi spokesman who kept going on TV saying "The Americans haven't successfully taken Baghdad" while you could see US tanks driving around behind him in the TV picture.