New Jerseyans don’t seem to have a favorite among the seven Democratic Congressmen who seem interested in replacing Jon Corzine in the United States Senate — largely because none of the House members have huge statewide name ID. The best known is Robert Menendez, the Hudson County Democrat who is the #3 member of the House Democratic leadership. Rob Andrews of Camden County is known by less than a quarter of the state’s voters despite his statewide run in the 1997 gubernatorial primary. Frank Pallone has stepped up his bid: he did a statewide mailing to Democratic County Committee members this week touting his record during seventeen years in Congress.