Obama broke the news during an interview with a South Dakota reporter.
TransCanada has to reapply for another permit after the first one expired.
NRSC said Larry Pressler (I) and Rick Weiland (D) both support O-Care, strict gun laws.
The American Petroleum Institute is targeting Democratic senators who could vote yes.
South Dakota Senate contender Rick Weiland is asking other candidates to join.
Third-party candidates are having a big impact in Senate races.
National Democrats are suddenly interested in the race, investing $1 million.
Former Sen. Larry Pressler (R-S.D.) is close to launching his bid as an independent.Pressler has...