Los Angeles County's homeless population is increasing faster than the supply of new housing, even with the addition of thousands of beds in the last two years and millions of dollars beginning to flow in from two ballot measures targeting the crisis, according to a long-awaited report by the region's homelessness agency. The report showed that officials two years ago far underestimated how much new housing would be needed when they asked city and county voters to approve the tax measures. ... Peter Lynn, executive director of the homeless authority, said Friday that new cost figures had not been calculated,...