Chief Executive Steve Jobs, in a broad-ranging discussion, took more potshots at Adobe Systems Inc.'s Flash software, vowed not to get into search despite Google Inc.'s move into Apple's turf, and called Apple passing Microsoft Corp.'s stock valuation "surreal." Speaking at the Wall Street Journal's All Things Digital technology conference on Tuesday, Mr. Jobs touched on issues that include suicides at Apple's largest contractor, challenges related to AT&T Inc.'s phone network and the origins of the iPad. The war between Apple and Adobe has been escalating over the last few months. Mr. Jobs reiterated on Tuesday that it believed an...