The new slim Republican majority in the House of Representatives lacks something besides its slim majority and the battle over leadership positions. It lacks intellectual depth. The Reagan administration may have been the last one to challenge Americans to think for themselves, and for that matter, just to think. Perhaps this lack of thinking and intellectual depth in our politics is caused by instruments and websites that do the thinking for us. We now tune in to whatever newspaper, cable network or website reinforces our beliefs and care little about how ideas were developed, whether they work and who benefits...