Cross-border incursions rattle Kremlin

Two anti-Putin groups, the Russian Volunteer Corps and the Freedom of Russia Legion, have crossed Ukraine’s border and seized territory in Russia’s Belgorod region. Moscow says it’s dislodged the “saboteurs.” The Wall Street Journal’s Yaroslav Trofimov speaks with The World’s host Marco Werman about this cross-border incursion, which is the largest since the Ukraine war began.