It's likely that such lags reflect, at least in part, adaptive changes in the invader to suit it to the new environment.

Abe is the least likely to be a pragmatist. But the costs are too high not to be pragmatic. They lose leadership in the region. They lose legitimacy.

We find that toads with longer legs can not only move faster and are the first to arrive in new areas, but also that those at the front have longer legs than toads in older populations.

Invasive species are a nice model.

We couldn't break the filibuster without making some changes, we have to break the filibuster so we can at least have the House and the Senate both have a bill,

He's wanted to diminish the CGI as much as possible — and put a man in a suit with CGI changes. He was afraid of the whole thing looking like a cartoon; I suspect he's trying to make the character look as real as possible.