Finally, someone on the right...

...understands the necessity of the individual mandate. Avik Roy, writing in the conservative National Review, says repealing it:

...would totally destabilize the private insurance market. The Obamacare individual mandate is relatively weak, as mandates go; but repealing it, while maintaining the law’s requirements that insurers take all comers regardless of age or health, will drive insurers out of business, in what economists call the “adverse selection death spiral.”