Bills being considered in the Connecticut General Assembly often have public testimony in favor and against. This is a great source for information on stakeholders. This link goes to the index for bills being currently considered. Once you find the page on a particular bill, find the link that reads "Click for Public Hearing Testimony."
This page contains information on how the public can participate in the federal regulatory or rule-making process. There are links to regulations currently under review.
This is the main page for locating federal regulations. The site can be searched by keyword, browsed by broad category, or browsed by detailed topic (look for "Browse by Topic" on bottom left.)