President Joe Biden will hold a rare press conference on the sidelines of the 75th NATO summit that the White House has billed as a “big boy” event.

A make-or-break moment, the press conference comes as Biden faces mounting pressure from Democrats to appear in public without the help of a script and former House Speaker Nancy Pelosi (D-CA) encourages her congressional colleagues to provide the president with this week to prove himself after last month’s first debate against former President Donald Trump.