Natural Gas Roundtable and Senate Natural Gas Caucus Luncheon Today, June 12th at the Hart Senate Office Building, Room SH-902. The invited speakers are: U.S. Sens. Mary L. Landrieu (D-La.), Saxby Chambliss (R-GA), Heidi Heitkamp (D-ND) and John Barrasso (R-WY).  The Hill.  Chairwoman of the committee, Mary Landrieu, and her ranking member, Sen. Lisa Murkowski (NGP Photo), are discussing ways they [...]