Trump has hinted at another run, and many politicians have speculated that he would return.
His reception at these events, however, has been a bit of a mixed bag.
Kim Reynolds, Senator Charles E. Grassley and Iowa Republican Party chairman, Jeff Kaufmann.
One of the most notable Republican attendees, Sen. Grassley, has publicly criticized Trump.
Even if Trump does decide to run again, he will have quite a bit of rallying to do.
