WASHINGTON — Megan Watson, leader of Mainstream Moms, is so angry at military recruiters for invading schools to sign up unwary youth for combat in Iraq that she and her group launched an online movement, “LeaveMyChildAlone.org.” “They offer these trinkets to lure our children to enlist,” Watson said in a phone interview from her home in Bolinas, Calif. “This is very aggressive, demographic targeting to have conversations with our kids that should not be happening.” All branches of the military are falling short of recruiting goals as parents say, in effect, “Hell no! My kids won’t go!” Watson blasted the...