Emmy Awards could be 1 for the history books

The Emmy Awards, television’s annual celebration of itself, are always a big night. But this Sunday’s ceremony may end up supersized. Performers and shows could be setting records and making breakthroughs at the 67th prime-time Emmys. Viola Davis of “How to Get Away with Murder” or Taraji P. Henson of “Empire” have a chance to become the first African-American to win as best drama series actress. “I gotta win! I gotta win for history!” an exuberant Henson said when asked…