Kenneth A. Shepsle

Congress has enjoyed periods of reduced partisanship, but they never last. (May 9)

Norman J. Ornstein

Ban fundraising in Washington, D.C. while Congress is in session. (May 9)

John Samples

Allow a supermajority of states to write, propose, and ratify constitutional amendments. (May 9)

Kathryn Pearson

Every speaker since Gingrich has sought to maximize the influence of party leaders. (May 10)

John G. Geer

Polarization has some real upsides. (May 10)

David W. Brady

Leaders need to build majorities supporting their views, not tinker with rules. (May 10)

Nick Nyhart

In March, amid joblessness, a new war, and a budget crisis, members of Congress hosted more than 300 D.C. fundraisers. (May 11)

U.S. Rep. David E. Price

Strong leadership and committees can be mutually reinforcing, producing better bills. (May 11)

Stephen Ansolabehere

Americans once yearned for disciplined parties, but the results are not what we expected. (May 12)

Andrew Gelman

Getting Congress to act responsibly on economic issues goes against what society teaches us.(May 12)

Dana Houle

Whatever effect gerrymandering may have had in the past, it will probably diminish in the next decade. (May 19)—Web only

Jim Cooper replies

Isn't it disturbing that no one can say for sure where members of Congress stand on key policies? (May 13)