EDITED TO AVOID BORING FREEPERS TO DEATH.....several stalwarts of the Democratic caucus write the final chapter in their Senate careers.....among the last connections to the “Old Bulls” w/ some 150 years of combined service. Five top Democratic chairmen are now in their final year as senators. Armed Services Chairman Carl Levin of Michigan Levin, Tom Harkin of Iowa, Tim Johnson of South Dakota and Jay Rockefeller of West Virginia are set to depart when their terms expire. Finance Chairman Max Baucus, D-Mont., is expected to resign early to become the U.S. ambassador to China. ,.....the new Old Bulls are...