US President Joe Biden voiced confidence Wednesday that his Russian counterpart did not want a new Cold War, and also said he had told him critical infrastructure must be "off limits" to cyber attacks. "I think that the last thing he wants now is a Cold War," Biden told reporters after his first summit with Vladimir Putin, adding that he during the talks had stressed that "certain critical infrastructure should be off limits to attack -- period -- by cyber or any other means." sms-nl/rjm/har