The Tenth Amendment gives the states the right to do what is right, regardless of what the federal government says. Several states are doing this already. Colorado has legalized marijuana (with their typical zillion micromanaging constraints). Several cities are sanctuary cities for illegal immigrants where law enforcement ignore federal laws.
The problem is that liberal states and localities want to ignore certain laws, and conservative states (which seem to lack the guts of liberals and only ever toe the federal line as far as I know) would want to ignore other laws. Conservatives and Christians would point at the liberals and say, “You must obey federal law.” Liberals would do the same thing if conservatives ever ignored any federal laws.
Is there a standard that we should be using to judge whether a federal law is just or unjust? Is there a standard that would apply to liberals and conservatives? Is there a standard that a governor, sheriff, county clerk, or cop could point to to explain why they are ignoring a law? In fact, there is a transcendent, absolute standard to appeal to: God’s law. God’s law is righteous, just and good.
Cities, counties and states should be ignoring federal and state laws that allow for mothers and doctors to murder unborn babies, because that is what is the right thing to do under God’s law. They should also be ignoring all drug prohibition laws, anti-free immigration laws, income tax laws and on and on, because that is what God’s law teaches.
So, whenever a Christian says, “I hope Trump sticks it to those sanctuary cities” they’re just shooting themselves in the foot.