LAS VEGAS (AP) — Handguns could be mailed through the United States Postal Service for the first time in nearly 100 years if a proposed rule under the Trump administration takes effect. Democratic attorneys general in two dozen states sent a letter this week in opposition. In 1927, Congress passed a law barring the USPS from mailing concealable firearms unless they were from licensed dealers in an effort to curb crime. In January, the Department of Justice revisited the 1927 law, calling it