13 JANUARY 2020 - WEST DES MOINES, IOWA: at a house party in West Des Moines Monday night to address the issue of climate change, which Steyer has said is his top priority. Steyer, a California businessman, is campaigning to be the Democratic nominee for the US Presidency in 2020. Iowa holds the first selection event of the 2020 election cycle. The Iowa Caucuses are Feb. 3, 2020. PHOTO BY JACK KURTZ