Biden heads to Europe amid pressure to ramp up support for Ukraine

President Joe Biden heads to Europe on Wednesday under increasing pressure at home and abroad to do more to aid Ukraine, as he tries to walk a fine line between providing support and deterring Russia while avoiding further escalation. 

Biden is scheduled to attend a last-minute emergency meeting of NATO leaders in Brussels to discuss the response to the Russian invasion of Ukraine. While in Brussels, he also plans to attend a meeting of Group of Seven leaders and a European Council gathering. He is then scheduled to travel to Poland, which has found itself on...