Stoughton — Gov. Scott Walker Thursday promised savings on the massive Zoo Interchange project in Milwaukee and urged lawmakers to release $150 million in borrowing for road projects, saying together those two steps would be enough to keep at least five major highway projects from facing delays. In other remarks Thursday, Walker said that he could appoint a new justice to the Wisconsin Supreme Court by the end of this week and that he also favored clearer rules on which bathrooms can be used by transgender students in public schools. Walker's administration announced last week it was delaying the five...