Cane-wielding Rep. Al Green will need to win a May runoff against fellow Rep. Christian Menefee to keep his seat in Congress beyond next January. Menefee, 37, edged Green by less than two percentage points in Tuesday’s primary for the 18th Congressional District, but failed to reach the 50% threshold required to avoid a second contest May 26. Menefee, the newest member of the House, was backed by former Democratic National Committee vice chair David Hogg as part of his ongoing effort to oust