ATLANTA — The Cavs may have to re-purpose an old Alfred Lord Tennyson quote: “‘Tis better to have [Kevin] Love and lost than to never have Love at all.” Not quite what Tennyson had in mind, but one might have asked such a question after the dismal performance the Cleveland power forward gave prior to leaving Tuesday’s marquee Eastern Conference matchup with the Atlanta Hawks. Love made only one of eight shots — a three-pointer — and hit four free throws for