Time Magazine: When former Vice President Al Gore returned to Capitol Hill on Jan. 28 to testify for the need for a new global deal on carbon emissions, he spoke from personal experience: In 1997 Gore helped guide the Kyoto Protocol to completion in Japan — but back at home, knowing the treaty lacked support, the Clinton Administration never brought it to a vote in the U.S. Senate. Kyoto’s key failing was that it called on developed countries to make mandatory CO2 emissions cuts, while letting …