The G7 summit has produced plenty of headlines, including those member countries’ commitment to support Ukraine, new sanctions against Russia and climate change discussions. But it was something else that piqued Stephen Colbert’s interest and made it into his “The Late Show” monologue on Thursday night — the weird banter about nude or shirtless world leaders.Leaders like Britain’s Boris Johnson and Canada’s Justin Trudeau have made some odd remarks that, thanks to the world’s media, have attracted the attention of and responses from Russian president Vladimir Putin.