Secretary of State
Kerry said he speaks regularly to Netanyahu, including a phone call Saturday, and he said Israel is safer today because of the 2013 interim agreement with Tehran that saw Iran freeze or scale back most of its nuclear development.
But the administration's pursuit of a comprehensive nuclear deal with Iran has driven a wedge between President Obama and the prime minister, who believes a deal would leave Israel at risk.
Critics of the Republican invitation to Netanyahu to address Congress viewed it as a politically motivated attempt to capitalize on divisions among Democrats.
"We want to recognize the main goal here is to prevent Iran from getting a nuclear weapon," Kerry said on ABC's
"The administration is not seeking to politicize" Netanyahu's speech, Kerry said. "We don't want to see this turned into some great political football."
Several leading Jewish lawmakers have said they will not attend Tuesday's address by Netanyahu, who is in the midst of a reelection campaign in Israel, to a joint session of Congress.
Sen. Dianne Feinstein (D-Calif.) said Sunday that she would attend the talk, but dismissed as "arrogant" Netanyahu's assertion that he speaks for all Jews with his opposition to the administration's attempt to reach a deal with Iran.
"He doesn't speak for me on this," Feinstein said on CNN's "
House Speaker John Boehner (R-Ohio), speaking on CBS' "Face the Nation" stood by his decision to invite Netanyahu without consulting the White House and said interest in tickets to attend the speech has been robust.
"Everybody wants to be there," Boehner said. "The United States Congress wants to hear from him, and so do the American people."