Analysis of information sources in references of the Wikipedia article "美国民主党的政治立场" in Chinese language version.
Suffice to say that there has not been a huge swing away from the center since the 1970s.
This liberalism favors a generous welfare state and a greater measure of social and economic equality. Liberty thus exists when all citizens have access to basic necessities such as education, health care, and economic opportunities.
Liberalism wagers that a state ... can be strong but constrained – strong because constrained. ... Rights to education and other requirements for human development and security aim to advance the opportunity and personal dignity of minorities and to promote a creative and productive society. To guarantee those rights, Democrats support a wider social and economic role for the state, counterbalanced by more robust guarantees of civil liberties and a wider social system of checks and balances anchored in an independent press and pluralistic society.
Liberalism wagers that a state ... can be strong but constrained – strong because constrained. ... Rights to education and other requirements for human development and security aim to advance the opportunity and personal dignity of minorities and to promote a creative and productive society. To guarantee those rights, Democrats support a wider social and economic role for the state, counterbalanced by more robust guarantees of civil liberties and a wider social system of checks and balances anchored in an independent press and pluralistic society.