Author Brian Doherty has been found dead in a Bay Area park after a presumed fall. The 57-year-old was found at Battery Yates, a historic landmark in Marin County’s Sausalito, last week, according to Reason Magazine, where he worked as a senior editor. Doherty is believed to have fallen last Thursday night after attending an art gathering held atop the park’s historic concrete military defense structures, SFGATE reported. ... The author was restricted in his movement and needed a cane to walk, which may have contributed to his fall, according to Reason. He wrote articles published in dozens of newspapers...