“The president can do whatever he wants because it’s kind of inconsequential,” he told The Hill at the Capitol on Thursday.
When asked to elaborate, Grassley said only that “the word speaks for itself.”
On Wednesday, legislation tightening background checks on gun purchases from Sens. Joe Manchin (D-W.Va.) and Pat Toomey (R-Pa.) fell short of the 60 votes it needed to move forward.
Speaking from the White House after the vote, an angry Obama admonished the "minority in the United States Senate" who "decided it wasn't worth it" to vote for legislation that he said would prevent further gun violence.
The president, who was flanked by former Rep. Gabrielle Giffords (D-Ariz.) and relatives of the Newtown shooting victims, also said the gun lobby “willfully lied” about the contents of the bill, and said Republicans opposed the legislation solely for political reasons.
Senate Majority Leader Harry Reid (D-Nev.) on Thursday announced that the Senate would put aside the gun control bill to focus on other legislative matters.