A lawyer whose job application was rejected because he has too much experience in the legal field has been given the go-ahead to pursue an age-discrimination claim.In a written opinion, U.S. District Judge Sharon Johnson Coleman did not rule on the merits of Dale Elliott Kleber’s contention that CareFusion Corp. violated the Age Discrimination in Employment Act when it did not invite him to interview for a position in its legal department.Coleman, however, declined to throw out a count in Kleber’s lawsuit …