A feel-good 'Mark Twain and the Laughing River'
"Mark Twain and the Laughing River" was a big hit when it first opened in the mid-1990s at the Northlight Theatre in Evanston. It was a glorious show then, and now it's aged like a fine wine, soaring in a delicious revival at Theatre at the Center in Munster, Ind. Set against a homey Victorian parlor, the one-man, biographical musical in which writer-actor-composer Jim Post channels the imaginative spirit and incredi…