
Even though our summit window is at least a week or more away (?), it was great to spend the time now reviewing the use of oxygen, a critical element that will no doubt help us feel warmer and stronger as we ascend above 8000 meters on summit day.
Only a select few have been able to summit Mt. Everest without oxygen. Oxygen does not guarantee the summit, but it does increase the odds of success.
On a different note, my brother Chris sent me an email after reading yesterday's dispatch about Christophe's dog Leopold. It turns out that he and his wife Abby's dog

Thanks again to everyone who has sent me emails over the past days and weeks. Your kind words have been inspirational as we prepare ourselves both physically and mentally for the tough days that lie just around the corner.