The Business Roundtable (BRT), representing more than 200 of the United States’ most influential chief executives, made headlines last month when it launched new climate policy principles, including support for a carbon tax, that are much more ambitious than any other major U.S. trade association. The new policy principles will only be put into action if member CEOs deploy their lobbyists to make it happen, starting by bringing other trade associations, like the U.S. Chamber of Commerce, on board. The question: To BRT or not to BRT? Read more.