 Grassley slams Biden administration on RVOs and GOP on tariffs. You're listening to the American Ag Network. I'm Jesse Allen with News of Agriculture. A longtime senator, Iowa's Chuck Grassley, slammed both the Biden administration and the Trump campaign over policies that impact agriculture. Grassley complains the Ag Committee is holding a hearing this week on cryptocurrency with time about to run out on the one-year farm bill extension. Iowa farmers and Chuck Grassley