Three of the five are newcomers, Paul, Rubio, and Lee and have not been corrupted (yet) by Washington's siren call of money and power.
Shelby has been there a long time and is for the most part a stalwart conservative.
The only one of the I really would not trust with my money is Grassley. He has voted FOR every farm pork bill that as been voted on. he really is part of the problem. A Pork and Spender.
Isn’t Iowa a farming state? So why are you surprised that he did? And this is your only complain you have about it?