The singer-songwriter and social activist best known as one-third of the folk-music group Peter, Paul and Mary, has died at age 86. Peter Yarrow died Tuesday at his home in New York.

(AP) — The plunging polar vortex is bringing subfreezing temperatures to some of the southernmost points of the U.S. A forming storm system is threatening to dump snow on parts of Texas and Oklahoma .

Peter Yarrow died Tuesday at his home in New York. In other news: —The Associated Press About this program Host Terry Lipshetz is managing editor of the national newsroom for Lee Enterprises.