The following is a summary of the April/May issue of the St. Croix Review: Barry MacDonald, in “You Will Be Missed, Rush Limbaugh,” on the occasion of Rush Limbaugh’s death, describes the radio personality’s lasting impact on American culture. Paul Kengor, in “Death of a Defector: Ion Mihai Pacepa, R.I.P.” reveals many Cold War secrets, along with the astounding successes…