senator charles grassley's in trouble. still barely ahead but dropped 20 points in a hypothetical matchup against his democratic opponent. in pennsylvania, republican turned democrat turned turncoat arlen specter, the state's longest serving senator, may finally be shown the door as well. his lead over his primary challenger is evaporating. the pennsylvania district held by the late democratic congressman john murtha is in j jeopardy of going to a republican for the first time in 35 years. it's all good. ironically, like the first one, this revolution also began in massachusetts with the election of republican to fill the senate seat of the late ted kennedy. just shocking. but good. here's the question -- whashgs message does utah senator bob bennett's loss send to other incumbents? go to cnn.com/caffertyfile, post a comment on my blog. i say we ought to vote every