Heat still lead East finals, but surging Celtics could make history

MIAMI — Maybe Kevin Garnett was right. Maybe, as he screamed in celebration of Boston’s 2008 NBA championship, anything truly is possible. The Celtics are halfway to history, and that alone has gotten them entry into a very small club. Of the first 150 teams that trailed a best-of-seven series 3-0 in NBA history, just 14 – 9.3% – found a way to extend the matchup to Game 6. None of them have won the series, and most are usually eliminated by now. Not the Celtics. They have cut the...