Senate antitrust committee chairman Herb Kohl and supporter Mike Lee sent a formal letter (below) to the Federal Trade Commission backing an investigation of Google over its dominance of search. The Democrat and Republican together were worried enough about Google's lead in search following Senate hearings that they wanted a "thorough" look. They cited familiar arguments that Google might be abusing a dominant position to favor an increasing number of its own services in results on desktop and mobile, in many cases ousting challengers like Nextag or Yelp.
