WASHINGTON — President Joe Biden’s top aides bluntly told lawmakers in a private meeting on Wednesday that if Congress fails to authorize additional military aid for Ukraine in the coming days, Russia could win the war in a matter of weeks — months at best, according to two people familiar with the meeting.National security adviser Jake Sullivan and the Director of National Intelligence Avril Haines told the lawmakers that Ukraine will run out of certain air defense and artillery capabilities in the coming weeks, according to the people familiar with the meeting.The grim assessment, which one White House official described...