By BRENDAN FARRINGTON, TERRY SPENCER and GARY FINEOUT

TALLAHASSEE, Fla. (AP) — In response to a deadly Florida school shooting last month, the state's Senate narrowly passed a bill that would create new restrictions on rifle sales and allow some teachers to carry guns in schools.

The 20-18 vote came Monday evening after three hours of often emotional debate. Support and opposition crossed party lines, and it was clear many of those who voted for the bill weren't entirely happy with it.

"Do I think this bill goes far enough? No! No, I don't!" said Democratic Sen. Lauren Book, who tearfully desc...