A day after President Biden warned Israel that a major attack on Rafah would cross a "red line" for U.S. support, Israeli Prime Minister Benjamin Netanyahu went on a rant during a meeting with his security cabinet.

• "We are not a vassal state of the United States!" he declared, according to three people with knowledge of his remarks, including one of Netanyahu's aides.

Why it matters: Netanyahu's hot reaction last Thursday reflected his combative mood at a time when Israel's war against Hamas in Gaza has strained its relationship with the U.S.