Iowa’s Republican U.S. Sen. Chuck Grassley said he anticipates a smooth Senate confirmation of former Iowa Gov. Tom Vilsack as President Joe Biden’s pick to again head the U.S. Department of Agriculture.“Pretty soon, I think he will be Secretary Vilsack again,” Grassley told reporters Wednesday.Grassley introduced Vilsack at his confirmation hearing Tuesday before the Senate Agriculture Committee.The committee advanced Vilsack’s nomination by voice vote just hours after conducting an overwhelmingly cordial hearing, setting up what Grassley expects will be a quick Senate confirmation — potentially as soon as this week.Vilsack, a two-term Iowa Democratic governor, previously served as U.S.