America just lost one of its most clear-eyed, moral leaders. John Lewis — civil rights hero on the front lines from lunch-counter desegregation in Nashville to Freedom Rides through a hostile South, the last remaining speaker from the August 1963 March on Washington, U.S. Congressman for 34 years, an activist to the end, and conscience for a nation — passed away Friday night after a six-month battle with pancreatic cancer. Representative Lewis was a hero to many because in this age of nonstop blathering nonsense, he spoke plainly about the hope for an America that — as Langston Hughes wrote — is the America that the dreamers dreamed. And he not only spoke, but he walked the talk, most famously when his skull was cracked more than fifty years ago while trying to walk across an Alabama bridge working for justice.  There are many wonderful tributes to John Lewis pouring in. I recommend the statement of President Obama, who — when given a ticket to his history-making inauguration as the nation’s first Black American president …