For Hong Kong’s leader, pressure isn’t just from protesters

When prop-maker Terry Yim joined up with throngs of marchers in Hong Kong on Sunday, he brought a homemade accessory: a pumpkin-sized likeness of Carrie Lam, the city’s unpopular chief executive, complete with tidy short hair and spectacles.

For weeks, Hong Kong residents have rallied against a proposed extradition law in mostly peaceful protests. Escalating demands for Mrs. Lam’s ouster were clear Sunday, as a plea echoed through the canyon of high-rise buildings: “Carrie Lam! Step down!” The frustration was clear: Several marchers took turns using a fake police baton to hit the Carrie Lam effigy before the baton finally snapped.

Indeed, much of the semi-autonomous city snapped this month when Mrs. Lam tried to rush through a bill that would allow certain criminal