Presidential campaigns are usually eager to provide mind-numbingly detailed domestic-policy proposals. When it comes to foreign policy, however, campaigns often prefer to operate on the plane of generality and gesture. In the absence of blueprints, journalists and tea-leaf readers scrutinize the foreign-policy advisers attached to each candidate:…

Being subject to the political whims of the campaigns (such as the Republican candidate's declaration two days earlier that he wanted to postpone the debate to deal with an escalating economic crisis) is just one risk for campuses that raise millions of dollars and endure an array of logistical complexities to play host to presidential or…