Mideast: Finally, the president has scolded Hamas for using its tunnels to attack Israel. But he should also fault his former secretary of state. It was Hillary Clinton who aided their construction. Rewind to 2012. Then, as now, Hamas terrorists in Gaza were raining rockets on Israeli towns. Eight days of cross-border fighting claimed 166 Palestinian and six Israeli lives. Just 48 hours before Israeli troops planned to invade Gaza, then-Secretary of State Hillary Clinton brokered a cease-fire. She flew to the region and met with Israeli and Palestinian leaders and announced a peace deal from Cairo. The cease-fire held,...