Poll: What will keep LIers in their 20s, 30s on the Island?

While the number of native-born Long Islanders in their 20s and early 30s has dropped sharply over nearly two decades -- the only age group to show a decline -- among the foreign-born, that same demographic posted great growth, according to a report on the Island's immigrants.

It's yet more evidence, members of the Long Island Regional Planning Council indicated Tuesday, that policymakers need to do more to retain younger adults driven from the region by high costs, particularly housing.

What can be done to keep LIers in their 20s and 30s living on the Island?