Farmers the world over, in dealing with costs, returns and risks, are calculating economic agents. Within their small, individual, allocative domain, they are fine-tuning entrepreneurs, tuning so subtly that many experts fail to recognize how efficient they are.

The adverse economic events following the First World War turned me toward economics.

Most of the people in the world are poor, so if we knew the economics of being poor, we would know much of the economics that really matters. Most of the world's poor people earn their living from agriculture, so if we knew the economics of agriculture, we would know much of the economics of being poor.

My professional apprenticeship at Iowa State College from 1930 to 1943 could not have been better; the Great Depression made it so, and the talented younger economists at Ames during that period made it an exciting and profitable intellectual experience.

In our system of government, the Supreme Court ultimately decides on the constitutionality of laws passed by Congress or of presidential actions. When their actions are challenged, both Congress and the president are entitled to have their positions forcefully advocated in court.

Research who your politicians are, even; know what they do, know who they're supported by legislatively, and know who is supporting them financially for their campaigns. Because ever since Citizens United, we've seen a massive growth in the amount of campaign contributions and corruption in politics as a result, and that has to change.

Betty Sutton and I will make it a point to put state government back on the side of the middle class, not the wealthy and well-connected who have run the show at the statehouse for far too long.

We know that U.S. voters, and world leaders, allow Obama extraordinary leeway when it comes to deadly drone strikes, precisely because of his politics, character and background. (We are talking about a man, after all, who won the Nobel Peace Prize while ordering the automated killing of suspected Muslim terrorists around the world).