Chicago’s federal trial bench should soon be up to full strength. The U.S. Senate on Tuesday confirmed the nominations of Cook County Associate Judge Jorge L. Alonso and Cook County Assistant State’s Attorney John Robert Blakey to the U.S. District Court for the Northern District of Illinois. Alonso and Blakey were among 12 judicial nominees approved by senators in the closing hours of the current session. Other candidates whose nominations did not come up for a vote must be renominated before they can …