By Zach Barnett In a discussion about the future of college sports, the Big 12 commissioner said the NCAA’s ruling class would put in a salary cap for coaches if such a thing were legal. The winning percentage for men and women of Congress running for reelection is well above .900, and yet the overall approval rating for Congress as an institution regularly huddles in the teens and twenties. In general, people like their guy or gal on Capitol Hill, they just hate everyone else’s. It’s not that the public is wrong, necessarily, for loathing the way Congress goes about its collective business. B…