For a President Who Spends His Days Confronting Russia and China, a Domestic Focus

WASHINGTON — When President Biden delivered his State of the Union address a year ago, war had broken out in Europe just days before and it appeared inevitable that Vladimir V. Putin would quickly take control of Ukraine. China, the Pentagon kept repeating, was America’s “pacing” challenge, a long-term technological and financial competitor, but not likely not to pose an imminent challenge to Taiwan or the United States. On Tuesday night Mr. Biden faced a changed world. Simultaneously managing an aggressive Russia and a risk-taking China may prove the greatest…