Here's how an antitrust case against Google could play out, and why it might not stick, according to a lawyer who helped go after Microsoft in the '90s (GOOG)

· Evidence is mounting that Google might soon be hit with at least one major antitrust case in the US.
· But it will be a long and complex battle to prove that Google has acted anticompetitively and hurt consumers as a result.
· A previous FTC staff attorney who worked on the famous Microsoft antitrust case in the '90s...