Howard Fineman, Huffington Post
WASHINGTON -- It's almost Biden Time, a more urgent campaign moment than he or anyone else could have imagined a few days ago.After a political career that has lasted 42 years so far, the genial vice president and former senator faces the most critical task of his electoral life: helping his boss dig out of the avalanche that buried him in Denver.At 69 years of age and heading towards the twilight of his time on the stage, Joe Biden on Thursday will confront Rep. Paul Ryan (R-Wis.), who has been on Earth only six years longer (42) than the number of years Biden served as a U.S. senator...