The Chilean-born artist Cecilia Vicuña, a self-described “poet of precarity,” creates daring, wonderful works—paintings, textiles, textbooks, performances, films—that interweave language, spirituality, progressive politics, and ancient Andean society. Vicuña has lived in New York Town considering that 1980, and now the Guggenheim provides the artist’s to start with museum retrospective, “Cecilia Vicuña: Spin Spin Triangulene,” in her adopted home. (Opens May well 27.) As the war in Ukraine rages on, it is tough to imagine a more timely summer time clearly show than “Designing Peace,” at the Cooper Hewitt. Twenty-5 countries are represented by forty pacifist propositions—models, maps, objects, mobile-cell phone apps, videos, whole-scale installations—including rugs woven from discarded bullet casings…