"It's like asking how good people are farming during a drought," said Lee Drutman, a senior fellow in the political reform group at New America, a Washington research center. "Back to back, you've had the two most unproductive Congresses in a long, long time. So it's really hard to measure who is productive because nobody is." "As a Republican serving in a Democrat-controlled body, his bills always would be at a disadvantage," West said of Rubio. "A better measure would be going forward. Now that Republicans have a majority in the Senate, the percentage of his bills that are enacted is a better gauge of legislative effectiveness."