What tensions exist between national and state governments on policy matters, and what unique powers do mayors and governors enjoy?

National and state government have different and overlapping set of laws and jurisdictions,

Explanation:

National Government of US does not have complete right over the states in that the states are able to decide their won laws and penal codes until they are not in direct conflict with the Union which is never looked for and thus never exposed.

The governor of a state an have absolute control over the state's penal code apart from the country and the mayor of a single city is able to control the work of the police in that place.

answer: economic globalization is the increasing economic integration and interdependence of national, regional and local economies across the world through an intensification of cross-border movement of goods, services, technologies and capital

special interest groups must step back and let the process work itself out a representative can amend it at several points in the congressional staffers must do homework and report to the floor on what they 've learned