Though Barack Obama has joined others in calling for an end to nuclear weapons, those weapons shouldn’t be completely eradicated, as they have served as a deterrent in Europe and among large nations where war had previously been more prevalent, writes Pejman Yousefzadeh. Calling John McCain “confused” and suggesting he is senile and old is what passes for original thought among many liberal bloggers, who are really just taking their cues from the Obama campaign, writes Dan McLaughlin.