BY JONATHAN MATTISE NASHVILLE, Tenn. (AP) - Tennessee Rep. Justin Pearson raised about $860,000 through some 31,700 campaign donations after Tennessee Republican lawmakers abruptly moved to expel him and two other Democrats for a gun control protest on the House floor, his campaign said. The short-lived expulsion propelled the Memphis environmental activist, a fresh face just months into his first term, to become a nationally watched progressive figure who sat in