SAN JOSE, Calif. — Chaos ensued last fall in the Los Gatos Town Council chambers as members of a far-right group disrupted meeting after meeting by shouting out of order and lodging personal attacks at council members. It’s a scene increasingly played out at city council and school board meetings across the country, leading to calls for more law enforcement to stand guard, triggering delays and in some cases, prompting the sessions to be moved back online entirely. Now, two Silicon Valley lawmakers want to strengthen a nearly-70-year-old law that regulates conduct at public meetings. State Sen…