1. Presidents only need to go through the Iowa caucuses once (baring exceptional circumstances where they get primaried) 2. The Iowa Caucus has a fairly low co

1. Presidents only need to go through the Iowa caucuses once (baring exceptional circumstances where they get primaried) 2. The Iowa Caucus has a fairly low correlation with nomination success 3. 99% of congress will never need to give a shit about the Iowa caucuses