Filed under: NetworkingNever one shy to pick a fight, Comcast is now taking square aim at AT&T, which it alleges is wreaking havoc with its internet service as a result of shoddy installs of the company's U-verse TV service. More specifically, as Ars Technica points out, while both companies use different lines outside of the home (copper coax for Comcast and twisted pair for AT&T), they each use the same co
