Until last week, Iowa was viewed as a two-man contest between Ted Cruz and Donald Trump. But there’s been a lot of “buzz” lately about Marco Rubio. “Buzz” isn’t necessarily worth anything — candidates can start buzz about themselves, after all. But three late polls suggest that Marco Rubio is going to make it a close finish. These aren’t necessarily the best three companies for polling in Iowa, but at least two of them are known by reputation, and all three confirm that there’s been something real happening for Rubio in the last few days.

First, the WSJ/Marist poll from last Friday: