A flurry of panda deals

The online concern over the well-being of pandas at U.S. zoos can be traced to the sudden death of Le Le, a male panda that had been at the Memphis Zoo since 2003.

Last February, Le Le died of heart disease at age 24 — the equivalent of his 60s in human years — drawing an outcry from Chinese internet users who questioned the cause of death and worried about the health of his partner, Ya Ya.

Officials in both China and the U.S. denied claims that Ya Ya was suffering…