Pot legalization bills introduced in Congress

WASHINGTON (AP) — Bills that would legalize and tax marijuana at the national level, and provide opportunities for people convicted of federal pot crimes to clear their records, were introduced Tuesday in Congress.The companion legislation in the House and Senate were introduced by Sen. Kamala Harris of California and New York Rep. Jarrold Nadler, the chairman of the powerful House Judiciary Committee. Both are Democrats."Times have changed — marijuana should not be a crime," said Ha