(Govexec) Or would the Democrats have to get extremely lucky to take control of either chamber? At least for the moment, the forecast depends on whether contests are examined race by race — the “micro” approach — or are looked at altogether in light of the national political environment

The latter, “macro” approach is the one that suggests that the GOP could get swamped by a tidal wave. By almost every relevant measurement, national polls indicate that Republicans are at least as bad off as Democrats were at this point in 1994, before suffering devastating midterm losses.
Read full story on political analysis between 1994 elections(when Republicans won control of both House and Senate) and upcoming elections in 2006.