White House struggles to increase pressure on Russia as options dwindle

Biden squarely blamed Putin for Navalny's demise. On Tuesday, he promised that a package of "major sanctions" against Moscow would be unveiled at the end of this week. The administration is considering three main options, two economic and one military, according to the three officials. The U.S. could add more sanctions on Russia as well as shut down the ways Moscow evades current penalties — for example, by stopping sensitive technologies from powering key parts of Russian industry. Both methods would further hurt the Kremlin's ability to wage the war in Ukraine. The other idea is to pump Ukraine full…