♪ ♪ judy: good eveni. i'm judy woodruff. on the newshour tonight, at the extreme. a massive fire forces thousands to evacuate in california as millions of americans indoor a brutal heat wave. rapid spread. epidemiologists worn the united states is at a critical moment to counteract and contain the highly contagious monkeypox virus. tipping point. the glaciers shows further signs of potentially breaking off in antarctica. >> this is perhaps the most important glacier in the world in terms of its potential impact this century. judy: all of that and more on