MSNBC.COM -- I sat straight up in bed, unsure why, but knowing deep down something was terribly wrong.
"Why am I awake?" I thought to myself. I looked at the clock: 3:10 a.m.
The sudden movement woke my wife.
"What are you doing?" she asked.
"I heard something," I said.
Before she could ask what, we both heard it again. More...