Mitt Romney's impressive victory Tuesday makes it very likely that we will look back on the Florida primary as the contest that determined the 2012 Republican nomination. To be sure, the campaign fight will go on, and Romney is by no means assured of a sweep of the relatively few February contests.

Opponents of capital punishment are extremely selective about the cases they make into public crusades. Strategically, that's smart; you don't want to lead your argument with "unsympathetic persons." But logically, it's problematic.

Netanyahu supporters are a decisive majority of the American public, stretching far beyond the confines of one faith, they can reshape the domestic American debate on Israel and the region. This is critical, since, thanks to Obama, U.S.-Israeli relations are more politically strained than ever before, a public division inevitably providing our adversaries with dangerous opportunities for trouble-making.

Republicans are jumping on the anti-earmark bandwagon after Senate Minority Leader Mitch McConnell announced his support for a GOP earmark ban.

Having encountered un-Chicago-like dissent and disagreement in Washington, Obama has responded with classic Chicago brass knuckles.

Why can't our opponents be reasonable? In his new book, “The Righteous Mind: Why Good People Are Divided by Politics and Religion,” social psychologist Jonathan Haidt explores the origins of morality in our rapid and automatic moral intuitions.

America's version of capitalism has been much more dynamic than Europe's. Why don't Obama and Romney debate that?

Barack Obama’s presidency has had profoundly negative consequences for our national security. From debilitating cuts in defense budgets, to gutting national missile defense efforts, to his unwillingness to acknowledge a continuing war against terrorism, to his inability to stem the nuclear proliferation threats posed by North Korea and Iran....the picture is bleak.