USA Today journalist Susan Page’s interviews with House Speaker Nancy Pelosi for her upcoming biography “Madam Speaker: Nancy Pelosi and the Lessons of Power” shed light on tensions underlying the Democratic House majority — particularly those between establishment Democrats and a group of rising progressives called the “squad.”

In one of her interviews with Page for the book, Pelosi unloaded on the group of progressive lawmakers, putting on, at one point, a “child-like voice” while discussing its most noteworthy member, New York Democratic Rep. Alexandria Ocasio-Cortez, Axios reported.

According to the outlet, Pelosi further gave the “squad” her two cents, advising them: “You’re not a one-person show. This is the Congress of the United States.”

The Squad comprises at least six politicians of color who are among the most progressive members of the House and are known for their support for climate actionMedicare for All and other liberal goals.

Its first four members — Reps. Ocasio-Cortez, Ilhan Omar of Minnesota, Ayanna Pressley of Massachusetts and Rashida Tlaib of Michigan — joined the House after the 2018 midterms.

The group further expanded to include Reps. Jamaal Bowman of New York and Cori Bush of Missouri following the 2020 House of Representatives elections.

Right from the time the group’s first representatives took office, they and Pelosi have traded barbs on multiple occasions. And in July 2019, their conflict escalated to a point where Pelosi said that she would not like to discuss the matter further, according to The Hill.

Pelosi and Ocasio-Cortez — the most outspoken member of the “squad” — have tussled over several subjects.

Ocasio-Cortez has criticized Pelosi for allegedly concentrating her critique on female congresspeople of color, while Pelosi reprimanded Ocasio-Cortez for attacking her fellow Democrats publicly, The Hill reported.