PORTLAND, MAINE - MAY 1: Demonstrators hold signs during a May Day rally organized by local unions, on May 1, 2026 outside City Hall in Portland, Maine. U.S. Senate candidate from Maine Graham Platner (not-pictured) joined the Maine Service Employees Association SEIU 1989 demonstration to honor the labor rights movement as he campaigns to be the Democratic nominee ahead of the June primary. (Photo by Graeme Sloan/Getty Images)

PORTLAND, MAINE - MAY 1: Demonstrators hold signs during a May Day rally organized by local unions, on May 1, 2026 outside City Hall in Portland, Maine. U.S. Senate candidate from Maine Graham Platner (not-pictured) joined the Maine Service Employees Association SEIU 1989 demonstration to honor the labor rights movement as he campaigns to be the Democratic nominee ahead of the June primary. (Photo by Graeme Sloan/Getty Images)

PORTLAND, MAINE - MAY 1: A demonstrator holds a sign during a May Day rally organized by local unions, on May 1, 2026 outside City Hall in Portland, Maine. U.S. Senate candidate from Maine Graham Platner (not-pictured) joined the Maine Service Employees Association SEIU 1989 demonstration to honor the labor rights movement as he campaigns to be the Democratic nominee ahead of the June primary. (Photo by Graeme Sloan/Getty Images)

MINNEAPOLIS, MINNESOTA - MAY 1: Patrick Corbin #46 of the Toronto Blue Jays delivers a pitch against the Minnesota Twins during the first inning at Target Field on May 1, 2026 in Minneapolis, Minnesota. (Photo by Matt Krohn/Getty Images)

PORTLAND, MAINE - MAY 1: U.S. Senate candidate from Maine Graham Platner (L) applauds during a May Day rally organized by local unions, on May 1, 2026 outside City Hall in Portland, Maine. Platner joined the Maine Service Employees Association SEIU 1989 demonstration to honor the labor rights movement as he campaigns to be the Democratic nominee ahead of the June primary. (Photo by Graeme Sloan/Getty Images)

PORTLAND, MAINE - MAY 1: Demonstrators hold signs during a May Day rally organized by local unions, on May 1, 2026 outside City Hall in Portland, Maine. U.S. Senate candidate from Maine Graham Platner (not-pictured) joined the Maine Service Employees Association SEIU 1989 demonstration to honor the labor rights movement as he campaigns to be the Democratic nominee ahead of the June primary. (Photo by Graeme Sloan/Getty Images)

PORTLAND, MAINE - MAY 1: Demonstrators chant during a May Day rally organized by local unions, on May 1, 2026 outside City Hall in Portland, Maine. U.S. Senate candidate from Maine Graham Platner (not-pictured) joined the Maine Service Employees Association SEIU 1989 demonstration to honor the labor rights movement as he campaigns to be the Democratic nominee ahead of the June primary. (Photo by Graeme Sloan/Getty Images)

An effigy of U.S. President Donald Trump burns during an International Workers' Day march marking May Day in Panama City, Friday, May 1, 2026. (AP Photo/Matias Delacroix)