Les Paul, who affected the course of popular music in profound ways, died today at the age of 94. Jazz devotees may remember the guitarist most fondly from the days in the 1930s when he collaborated with Louis Armstrong, Roy Eldridge and Art Tatum, or his involvement with Jazz At The Philharmonic and a memorable 1944 blues duet with Nat Cole. He went on to star on radio and television, invent equipment, come up with innovative recording techniques and zoom to the top of the pop charts with hit records. I thought about importing video clips to illustrate Paul’s career, but I could not improve on the nine-minute obituary the producers of PSB’s The News Hour with Jim Lehrer put together on this evening’s newscast. With the gratitude of the Rifftides staff, here it is: