Zelenskyy addresses Congress asking for more military aid against Russia

Read MoreUkrainian President Volodymyr Zelenskyy made a rare speech to a joint session of Congress, pushing members to support a bid to send $45 billion to aid their fight against the Russian invasion. Meanwhile, President Joe Biden has promised to send more powerful weapons to the front lines. Christina Ruffini reports from the White House.Ukrainian President Volodymyr Zelenskyy made a rare speech to a joint session of Congress, pushing members to support a bid to send $45 billion to aid their fight against the Russian invasion. Meanwhile, President Joe Biden has promised to send more powerful weapons to the front lines. Christina Ruffini reports from the White House.