In a pivotal moment for Australia, an Australian court heard closing arguments on Tuesday in a class action lawsuit against Bayer AG (OTC:BAYRY) (OTC:BAYZF), alleging that the widely used weedkiller Roundup is linked to cancer. This marks the first such case in Australia to reach this advanced stage. The lawsuit, encompassing over 1,000 claimants, is significant for the country where Roundup is extensively utilized, and the outcome may set a precedent. Bayer, already burdened by over 50,000 claims in the U.S., has paid billions to settle allegations that its glyphosate herbicide, Roundup, led …