SAN FRANCISCO, Aug 22 (Reuters) - A coalition of California activists filed a jaw-dropping $2.2 trillion set of lawsuits against facsimile marketer Fax.com Thursday, saying millions of "junk faxes" are clogging the nation's fax machines, jamming communications and possibly endangering lives. The suits, filed in both California state and federal court, seek class action status and punitive damages against privately held Fax.com, its telecommunications provider, Cox Business Services, a division of Cox Communications Inc. (NYSE:COX - News), as well as Fax.com's advertisers. "The right to free speech stops at the entrance to my house. You are not allowed to invade...