Chapman is suing the operator of an Internet blog, or web journal, for defamation and his camp blamed the pending lawsuit for throwing them off course and missing the filing deadline. ... Chapman's spokesman, Faisal Gill, said Chapman missed the deadline because he was distracted by the ongoing defamation lawsuit against an Internet blogger. "I think he was kind of caught up with that and it was just something that he missed," Gill said. Chapman is suing a blogger who goes by the name Black Velvet Bruce Lee and follows Manassas politics. On several postings, the blogger and his Web...