A worldwide organization for runners who run every day may soon be getting a celebrity member: U.S. Sen. Cory Booker. Booker, D-N.J., went running for a 300th consecutive day Saturday and said he plans to continue for a full year. “Today I crossed the 300 days of running barrier. 65 to go,” Booker posted to Twitter alongwith a video from his run in Denver. If Booker achieves his goal, he will be eligible for membership in Streak Runners International, whose founder and president, Mark Washburne, lives and runs in New Jersey and was a losing Democratic candidate for Congress in 2018. Streaks mu…