A new study puts the Big Apple near the bottom of a list of the top 25 most liberal cities in America - and behind such newly crowned leftist redoubts as Gary, Ind., Newark, N.J., and Flint, Mich. According to the study, released yesterday, Detroit, is the most liberal city in America. Provo, Utah, is the most conservative. The survey was conducted by the Bay Area Center for Voting Research, a nonpartisan, nonprofit institute based in Berkeley, Calif. The institute's findings, particularly on the liberal list, challenged the preconceptions of those who expected either small, left-leaning university towns - such...