BELLE CHASSE — A discussion about not duplicating pre-Katrina “concentrations of poverty” when New Orleans’ ravaged rental stock is rebuilt raised the temperature Thursday during a Louisiana Recovery Authority meeting. While authority members and authority Executive Director Andy Kopplin were discussing two “Road Home” rental housing programs and an accompanying objective of not replicating what a Road Home handout called “pre-storm excessive concentrations of poverty,” New Orleanian Elizabeth Cook sprang to her feet and gave the board an earful.