Iowa and New Hampshire are measuring how well a candidate can attract voters on popularity: how they look and talk to groups of people and to the media. How well this shows which candidate can work with the congress to create policy and legislation to help the people is not clear.
We the people need to communicate with our legislators to see that they support the ideas we want our Senators and Representatives to support. That is how we can help the president to work with the congress. We need to elect our legislators and we need to elect the president—at the same time.