   This is DAY TO DAY. I'm Madeleine Brand.   And I'm Alex
Cohen.  In a few minutes, it's a hockey first. A Southern
California team takes the Stanley Cup.  BRAND: But first, news
from the G-8 Summit today on climate change. Germany's
Chancellor Angela Merkel says the G-8 have agreed to seriously
consider substantial cuts to greenhouse gas emissions, as much
as 50 percent by the year 2050.  NPR's Don Gonyea is covering
the summit for us and he joins us now from Germany. And Don,
just how significant is this agreement to consider cutting
greenhouse gas emissions?  DON GONYEA: We do know this is a
pretty good victory for Angela Merkel because she will now be
able to say that she got an agreement on climate change at the
G-8 Summit that she is hosting. It's not completely what she
wanted. It doesn't have the hard targets, the mandatory targets
in terms of emission cuts that she'd been pushing for. But she
feels she has advanced the dialogue. And again, listen to the
language of this paper that they put out. It s