Crucial to understanding federalism in modern day America is the concept of mobility, or 'the ability to vote with your feet.' If you don't support the death penalty and citizens packing a pistol - don't come to Texas. If you don't like medicinal marijuana and gay marriage, don't move to California.

Rick Perry’s quote highlights the principle of federalism in modern American society, emphasizing the mobility of citizens as a key element in choosing where to live based on their personal beliefs and preferences. The phrase "vote with your feet" refers to the idea that individuals can express their political and social preferences not just through voting in elections but by choosing to reside in states that align with their values. This underscores the decentralized nature of American governance, where state governments have significant autonomy to create laws that reflect local priorities.

The quote uses Texas and California as examples to illustrate the diversity in state laws and policies. Perry is suggesting that if a person disagrees with certain state laws, they can simply move to a state that better aligns with their views. For instance, Texas is known for more conservative stances on issues like the death penalty and gun rights, while California is recognized for its progressive laws on medicinal marijuana and gay marriage. This comparison underscores the variety of legal environments across the country.

Perry's statement also reflects the political polarization in the U.S., where states are increasingly defined by their stance on key issues. The ability to move freely between states, according to one's beliefs, allows for a form of self-governance in the context of federalism. It also reinforces the notion that states' rights are central to the American political system, where local issues are decided by state legislatures and voters, rather than by the federal government.

The idea of mobility as a form of expression is rooted in the belief that individuals should have the freedom to choose their environment, in both a physical and ideological sense. By emphasizing this, Perry advocates for a system where states remain distinct in their policies, and citizens can make decisions that reflect their personal values while participating in the broader democratic framework.