A proposal to cut off access to community college students who linger too long – loading up their transcripts with gym classes, poor grades and far more units than they need to transfer or graduate – has merit and should be explored, the system's chancellor says. A report [PDF] from the state legislative analyst last week recommended giving first-time students a higher priority for class registration, capping the number of taxpayer-subsidized units that students can take and limiting the number of times students can repeat certain courses on the state’s dime – moves that could save an estimated $235 million....