President Vladimir Putin said Russia was ready to negotiate with all parties involved in the war in Ukraine but that Kyiv and its Western backers had refused to engage in talks.  Russia's Feb. 24 invasion of Ukraine has triggered the deadliest conflict in Europe since World War Two and the biggest confrontation between Moscow and the West since the 1962 Cuban Missile Crisis.  There is, thus far, little end in sight to the war.  The Kremlin says it will fight until all its aims are achieved while Kyiv says it will not rest until every Russian soldier is ejected from all of its territory, including Crimea which Russia annexed in 2014.  "We are ready to negotiate with everyone involved about acceptable solutions, but that is up to them - we are not the ones refusing to negotiate, they are," Putin told Rossiya 1 state television in an interview aired on Sunday.  Putin said Russia was acting in the "right direction" in Ukraine because the West, led by the United States, was trying to cleave Russia apart.  "I believe that we are acting in the right direction, we are defending our national interests, the interests of our citizens, our people. And we have no other choice but to protect our citizens," Putin said.