Normally, there's not a whole lot of fighting that goes on during the winter months in Afghanistan. So by delaying his decision by a month or two, he probably figures he can stretch it out to 5 or 6 months. However, there have been reports that the Taliban is planning to make this a “hot winter.”
If so, we can expect to see the high casualties continue while 0bama has his finger in the air and his head up his ass.
Even after the go ahead to send troops - it takes 6 months to a year to get them there -
his heart is with the Taliban