SPRINGFIELD — Although House Minority Leader Rep. James B. Durkin, a Western Springs Republican, hopes Gov. J.B. Pritzker keeps his promise for bipartisanship by the end of the legislative session on May 31, he’s “pessimistic.”“The governor said that he wanted to take on the major issues in a bipartisan manner at the beginning of the year. I have yet to see that,” said Durkin.“I …