Brad Walker & Bernard Lagat easily qualify for finals..

OSAKA, Japan—Mountlake Terrace resident Brad Walker (left, /photo by Paul Merca), a former University of Washington standout, took only three jumps Thursday night at the IAAF World Track & Field Championships to advance to Saturday night’s pole vault finals.Walker, who is one of the favorites to win the world title, and who has the highest vault in the world this year at 19-6 1/4, successfully