-- John Kemp is a Reuters columnist. The views expressed are his own --

kemp
LONDON - Yesterday's announcement by Senator Byron Dorgan (Democrat, North Dakota) that he would not seek a fourth term in November, coupled with today's expected announcement by Senator Chris Dodd (Democrat, Connecticut) that he won't seek a sixth term, will remove two veterans, once secure legislators from the Democratic caucus.
It highlights the mounting problems confronting congressional Democrats facing voters in November's midterms amid high unemployment, a relatively unpopular agenda led by the administration, and concerns about the party's capture by special interests.