Saturday & Sunday, July 15 & 16: Hawai`i State Farm Fair.  Enjoy the numerous educational exhibits in the Department of Agriculture’s Pavilion. Keiki will enjoy seeing live animals on display in the 4-H Livestock Tent. There will be entertainment, demonstrations and the always popular on stage contests like watermelon eating, corn husking and chili pepper eating. There will also be kiddie rides, bouncers and fabulous food. Kualoa Ranch, 49-560 Kamehameha Hwy., Kaneohe. Saturday 9 a.m. to 7 p.m., Sunday 9…