You can’t actually block a bill by refusing to vote to come to a vote in the committee. They have other methods of getting a vote. They could have delayed the vote.
Grassley is my Senator. And the context for this story is that he hasn’t lifted a finger to help us deal with the out of control judges who imposed sodomite fake “marriage” on our state.
We the People threw three of these lawless justices out on their ears in the last retention election, and we did what was needed to put the people in place to impeach the other four, but the Grassley-Branstad-led Republican “leadership,” ironically in the context of this story, buried those resolutions in committee.