big biden green initiatives remain in limbo back home in washington in congress. let s get to our white house correspondent. biden saying america will lead. how s it going? reporter: that s the big question that is really on every leader s mind which is we see president biden is committed to this and made this underpinning of his campaign and now his presidency, but what big question that was raised by his predecessor is how long does that last and president biden is acknowledging it as he did earlier in opening remarks but a few moments ago in a smaller session with the prime minister boris johnson and other leaders in the room, president biden apologized for former president trump exiting the paris climate accords. that was a deal negotiated by pkd apologizeed for him leaving