BENNINGTON — After Democrats attained a veto proof majority in the Vermont House and Senate last Tuesday, local legislators say they hope to minimize the use of that powerful advantage, but have identified at least one key issue to be challenged. [...] A seed liability bill vetoed by Douglas in the last legislative session could be revisited, said Sears, [...] The bill was designed to protect organic farmers from being sued when patented genetically modified seeds accidentally spread onto their property.