The Coalition lost government in 2007 and Abbott was re-elected to the seat of Warringah with a 1.8% swing toward the Labor Party. Following Peter Costello's rejection of the leadership of the Parliamentary Liberal Party, Abbott nominated for the position of party leader, along with Malcolm Turnbull and Brendan Nelson. After canvassing the support of his colleagues, Abbott decided to withdraw his nomination. He seemingly did not have the numbers, noting that he was "obviously very closely identified with the outgoing prime minister." He said he would not rule out contesting the leadership at some time in the future. Of the three candidates, Abbott was the only one who had previous experience in Opposition. Nelson was elected Liberal leader in December 2007 and Abbott was assigned the Shadow Portfolio of Families, Community Services and Indigenous Affairs. As indigenous affairs spokesman, Abbott said that it had been a mistake for the Howard Government not to offer a national apology to the Stolen Generations; spent time teaching at remote Aboriginal communities; and argued for the Rudd Government to continue the Northern Territory National Emergency Response which restricted alcohol and introduced conditional welfare in certain Aboriginal communities.