Boy George is leaving Broadway and returning to the road.The ’80s icon, who ends his three-month run as bold club owner Harold Zidler in the Tony Award-winning musical “Moulin Rouge!” on May 12, announced he’s embarking on a co-headlining tour with Squeeze this August and September.Near the end of their 20-concert nationwide run, the duo will drop into Atlantic City’s Tropicana Showroom on Saturday, Sept. 14 and New York City’s Capital One City Parks Foundation SummerStage on Tuesday, Sept.