The Senate has picked four Republicans and three Democrats for the bipartisan talks on border security that are the key to avoiding another government shutdown in three weeks. The Republicans are Sens. Richard Shelby of Alabama, Shelley Moore Capito of West Virginia, Roy Blunt of Missouri and John Hoeven of North Dakota, and the Democrats are Sens. Patrick Leahy of Vermont, Dick Durbin of Illinois and Jon Tester of Montana.