The malign effects exist because there's a gap between the demand for and the supply of unskilled labor and that gap cannot be filled legally under existing immigration laws.

FORBES: Migranomics Instead of Walls

If the entire law fell, many parts of the law already in place would cease to exist, including checks for seniors to fill a gap in their Medicare prescription-drug program and insurance pools covering nearly 50, 000 Americans who otherwise can't get health insurance.

WSJ: Health Case Ripples Outward to Insurers, Election