Hillary left her larger beads and pearls at home to wear this trendy three strand necklace (it actually appears to be a two-strand necklace layered with a single strand). You can get a similar look with a 50" long necklace from Anna Beck (Buy Direct)
It's difficult to get a close view of Senator Clinton's gold earrings, but they look like they could be in the shape of a dogwood blossom.