Republican senate candidate Dan Sullivan has kept up his fundraising momentum. Sullivan’s campaign reports he raised $1.3 million in the first quarter of the year. Download AudioThat’s a bit more than Sullivan, the former state attorney general and natural resources commissioner, raised during the prior quarter. Incumbent Democratic Sen. Mark Begich also reports raising more than a million dollars during the first quarter. Other challengers in the race haven’t yet announced their totals, which aren’t due until next week.