Social welfare legislation presents a very different problem. Some of the most dangerous assaults upon the Constitution to-day are being made in that field. The leaven of socialistic ideas is working. Representative government is becoming more paternalistic. Legislation dealing with conduct and social and economic conditions is being demanded by public sentiment in constantly increasing measure. Such legislation for the most part affects state police power and lies clearly outside the scope of the powers conferred by the Constitution on the National Government. Moreover, "the insulated chambers afforded by the several states" (to borrow a phrase of Justice Oliver Wendell Holmes) are ideal fields for social experiment. If an experiment succeed, other states will follow suit. If it prove disastrous, the damage is localized. The nation as a whole remains unharmed. The sponsors for such legislation, however, are seldom content to deal with the states. Reform was ever impatient. The state method seems too slow, and the difficulty of securing uniformity too formidable. Moreover, it often happens that some states are indifferent to the reform proposed or even actively hostile. Accordingly, recourse is had to Congress, and Congress looks for a way to meet the popular demand. There being no direct way, and public sentiment being insistent, Congressmen find themselves under the painful necessity of circumventing the Constitution they have sworn to uphold. The desired legislation is enacted under the guise of an act to regulate commerce or raise revenue, and the task of upholding the Constitution is passed to the Supreme Court. Such subterfuges, far from arousing public condemnation, are praised by the unthinking as far-sighted statesmanship. It is popular nowadays to apply the term "forward-looking" to people who would make the National Government an agency for social-welfare work, and to characterize as "lacking in vision" anyone who interposes a constitutional principle in the path of a social reform. Friends of progress sometimes forget that the real forward-looking man is he who can see the pitfall ahead as well as the rainbow; the man of true vision is one whose view of the stars is steadied by keeping his feet firmly on the ground. It cannot be reiterated too often that, under our political system, legislation in the nature of police regulation (except in so far as it affects commerce or foreign relations) is the province of the states, not of the National Government. This is not merely sound constitutional law; it is good sense as well. Regulations salutary for Scandinavian immigrants of the northwest may not fit the Creoles of Louisiana. In the long run the police power will be exercised most advantageously for all concerned by local authority.