Today, all 32 members of NATO convene in Washington, D.C. to celebrate the alliance’s 75th birthday.

Created in April 1949 with 12 original members, NATO was designed as a military alliance to deter and prevent further aggression by the Soviet Union in Europe. Since then, NATO has expanded to 32 members, fought a war in Afghanistan, used force in Yugoslavia in 1999, and intervened militarily in Libya in 2011.

Now the alliance must determine what to do as the war in Ukraine continues with no apparent end in sight, China flexes its economic, military and diplomatic muscles and the war in Gaza could expand.

But unlike any other summit, this one takes place at a time when the U.S. president faces heavy pressure to resign, and the authority of the presidency may have been dramatically expanded due to the Supreme Court’s ruling on presidential immunity.

When the other NATO heads of government and state sit down with President Joe Biden tomorrow, the shelf-life of his tenure will be a legitimate question. Likewise, that future presidents may be above the law if all official acts are granted immunity will raise some profound........

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