WASHINGTON (Reuters) – The White House called on China to condemn Russia’s invasion of Ukraine on Sunday as Moscow’s onslaught against its neighbor continued and Russian President Vladimir Putin put nuclear forces on high alert. China has implemented some sanctions imposed by the United States and its allies against Russia over the invasion and spoke in favor of Ukrainian sovereignty last week, White House press secretary Jen Psaki said in an interview with MSNBC. However, she made clear Beijing should do more. “This is not a time to stand on the sidelines. This is a time to be vocal and conde…