For now, denying the rats some of their policies. Other than that, he is a waste. The same goes for the other rinos. We need the numbers right now and in the short-term, until we recapture the House and Senate.
Here's the problem with that theory: in the end, when it counts, he "compromises" and the 'rats get what they want. Furthermore, by compromising the policy becomes "bipartisan" and the GOP gets equal blame for the 'Bam debacle to come.