Russian President Vladimir Putin said on Friday Moscow would only cease-fire and begin peace talks if Ukraine gave up four of its regions and abandoned its NATO membership bid. The Russian leader was outlining his “conditions” to halt the full-scale military offensive that he launched in February 2022, speaking on the eve of a major peace summit in Switzerland, orchestrated by Ukraine and its allies. “Ukrainian troops must be completely withdrawn from the Donetsk People’s Republic, the Luhansk People’s Republic, Kherson and Zaporizhzhia regions,” Putin said in a televised address to Russian di…