Rochester's Mayo Clinic started construction on a $188 million center that utilizes proton beams to treat cancer. Mayo plans to start building another such center in Phoenix in December. Officials don't yet know whether proton beams are more effective than x-rays for treating cancers. There's only one other place in the United States where cancer patients can go for proton treatment.
Republican Sen. Scott Jensen says he won't stand for re-election
He has represented Carver County since 2016.