The host of HBO’s “Real Sports with Bryant Gumbel” defended his monthly sports magazine against claims by a British soccer ball maker that it delivered a “pack of lies” with a 2008 segment about child labour in India...Gumbel was called to the witness stand by HBO in the latter stages of a trial in which Mitre Sports International is saying it was libeled when it was the only company identified in a 21-minute segment that showed children stitching soccer balls in Jalandhar, India, for a nickel an hour.