Photo: AP/Jim Mone, File
In this June 29, 2018, file photo, pipeline used to carry crude oil is shown at the Superior terminal of Enbridge Energy in Superior, Wis. The divisive fight over the future of a crude oil pipeline across Minnesota highlights the dilemmas for Democrats in a state that's expected to become a battleground in the 2020 presidential race. And that could spell opportunity for President Donald Trump, who came close to winning the historically red state in 2016.
