when the caskets return home, the united kingdom held a day of national mourning. britain is the united states's most important allies in this fight. many remain if the casualties remain high, the british could soon abandon their effort. joining me to talk about all this, david kilcullen. david is a former army officer who helped plan the troops in both iraq and afghanistan. he is a profess this man is a professor of boston university. they are in opposition on this. >> when the surge began in iraq, they said the directive of the surge would be to raise casualties because the u.s. forces would be actively engaging the enemy in ways they