Men like myself, as he wrote privately to a friend, having been taunted with being "armchair and parlor Jingoes, ... my power for good whatever it may be, would be gone if I didn't try to live up to the doctrines that I have tried to preach."
Forming a volunteer cavalry regiment is in the past, of course. But it is interesting that in a hundred years anti-war movements haven't been able to come up with something better than charging "chicken hawk" to avoid arguing the merits of war with pro-war civilians.