'Florence Foster Jenkins' proves bad singing makes a good movie

"How do you get to Carnegie Hall? Practice!'' goes the old joke. But in Stephen Frears' delightful, semicomedic biopic "Florence Foster Jenkins,'' all the eccentric heiress/philanthropist of the title needed to do to make her public singing debut at the legendary venue in 1944 was purchase 1,000 tickets. Florence's common-law husband St. Clair Bayfield --...