BOSTON (AP) — The weather looks good, Sharon Lokedi is fit, and the fastest field in Boston Marathon history could push her to a second straight course record — if she decides to go for it. A year after shattering the women’s mark by more than 2½ minutes, the defending champion will head to the starting line in Hopkinton on Monday for the 130th edition of the world’s oldest and most prestigious annual marathon. Reigning men’s champion and fellow Kenyan John Korir is also back to lead a field of