 President Biden hosting a NATO summit starting Tuesday in Washington where ABC's Perry Russom is. According to a senior Biden administration official, there will be a strong demonstration of support for Ukraine, reaffirming Ukraine's future is in NATO, with this being a part of the country's bridge to NATO. Also at the Military Alliance Summit, the U.S. is expected to announce new steps to strengthen Ukraine's air defenses and military capabilities. Stressing independence over the Independence Day holiday period...