A San Francisco federal judge gave the green light for hundreds of lawsuits to go forward claiming Monsanto's popular glyphosate weed killer, Roundup, causes cancer. Monsanto challenges all the evidence proving linkage between glyphosate and cancer. Ringler Radio host Larry Cohen and co-host Manny J. Valdez talk about this litigation with attorney Brent Wisner, partner at Baum, Hedlund, Aristei & Goldman, PC, taking a look at how many people may have been adversely affected, and whether or not we will see settlements in these cases.