Thomas Jefferson University (PA) Chancellor Stephen Spinelli, Jr. writes:  Recent polls of college leaders have confirmed what many in higher education have known for some time — a significant number of colleges and universities are likely to close or merge in the next decade. This is not bad news for academe, unless keeping a campus open at all costs is the desired outcome. In this environment of disruption, there is also much opportunity. With merger on the minds of many higher-education leaders, here are some lessons from the experience of the new Thomas Jefferson University.