His backtracking on a government-surveillance bill has outraged the liberal blogosphere.
Republicans and Democrats want to add measures that could lead to a Bush veto.
Activists target lawmakers in Congress who cooperated with the opposition party.
Readers write about affirmative voting, bombings in Israel, judicial elections, and drilling in polar bear habitat.
The Federal Election Commission has vacancies in four of six seats and it hasn't acted on a new ethics law.
Clinton strategist Mark Penn says swing voters hold the key to '08 success.