President Lyndon B. Johnson giving Rep. Michael Feighan the famous "Johnson treatment" --€” using his imposing physical presence to persuade --€” aboard Air Force One during a presidential trip to Cleveland in 1964. LBJ put heavy pressure on Feighan to support the new immigration legislation. Feighan eventually agreed,€” but he demanded a crucial change to the act. Princeton University Library/Simon & Schuster hide caption

itoggle caption Princeton University Library/Simon & Schuster

A cell at El Reno Federal Correctional Institution in Oklahoma, which President Obama visited in July. The Sentencing Reform and Corrections Act would apply only to federal crimes and federal prisons, which house a shade over 200,000 inmates — a tiny fraction of the population detained in jails and state facilities. Saul Loeb/AFP/Getty Images hide caption

itoggle caption Saul Loeb/AFP/Getty Images

Hundreds of people gathered for a vigil in Roseburg, Ore., Thursday night, after 10 people died and seven others were wounded in a shooting at the local community college. Josh Edelson/AFP/Getty Images hide caption

itoggle caption Josh Edelson/AFP/Getty Images

Volkswagen sales slowed after it was revealed that the company had been cheating emissions tests by outfitting some diesel cars with "defeat devices." Markus Schreiber/AP hide caption

itoggle caption Markus Schreiber/AP

Customers browse samples at Shango Cannabis shop, after the first day of legal recreational marijuana sales began at midnight in Portland, Ore., Thursday. Steve DiPaoloa/Reuters /Landov hide caption

itoggle caption Steve DiPaoloa/Reuters /Landov