Massachusetts has lost thousands in population over the last two years, according to newly released U.S. Census numbers. But the numbers do more than signal an...exodus from the Bay State... It puts Massachusetts in danger of losing yet another congressional seat after 2010, when the House of Representatives is reapportioned. "It's discouraging," said Phil Johnston, chairman of the state Democratic Party. "It means we're losing political clout with the Congress, and it's not good." Since 1920, when Massachusetts had 16 representatives, the state has seen a steady decline, down to the current 10 representatives... "It would be likely we would...