Summary: In our news wrap Tuesday, NATO's 30 nations signed accession protocols for Finland and Sweden to join the alliance, more than 50,000 people in Sydney, Australia are under evacuation orders amid a flood emergency, British Prime Minister Boris Johnson faces more political pressure, and a special grand jury in Georgia subpoenaed Rudy Giuliani and Republican Sen. Lindsey Graham. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
