Sen. Tommy Tuberville, R-Ala., is casting doubt on the prospects of passing a five-year bipartisan farm bill. His fiery comments come as Senate Agriculture Chairman John Boozman, R-Ark., hopes to hold a farm bill markup Aug. 6. “We need a farm bill, but as long as we have Democrats in Congress, we're not going to have a farm bill. The committee has a 12-11 split, meaning Republicans will need full attendance to advance the farm bill without Democrats. However, Kentucky Republican Sen. Mitch McConnell’s continued absence will make approving a farm bill a challenge.