INGLEWOOD, Calif. — Travin Howard made a game-sealing interception with 1:09 to play, and the Los Angeles Rams rallied from a 10-point deficit in the fourth quarter to secure a spot in the Super Bowl at their home stadium next month with a thrilling 20-17 victory over the San Francisco 49ers in the NFC championship game Sunday night. Cooper Kupp caught two touchdown passes from Matthew Stafford for the star-studded Rams (15-5), who began the fourth quarter down 17-7 after wasting a multitude of scoring opportunities. But after Kupp’s second TD catch and a tying field goal on a drive extended by Jaquiski Tartt’s brutal dropped interception, the Rams drove for Matt Gay’s go-ahead, 30-yard field goal with 1:46 to play. Los Angeles’ defence then won it when Aaron Donald got hold of Jimmy Garoppolo and forced him to fling a pass toward JaMycal Hasty. The ball caromed high in the air off Hasty’s hands and came straight down to Howard — and the fourth-year pro didn’t miss it. “I’ve g...