World leaders agreed to halve their budget deficits by 2013 but dropped their pledge to complete the doha trade round by the end of this year , shifting emphasis towards bilateral and regional trade deals instead .
If mr pe a is to keep his promise to halve the murder rate , he must be more effective than his predecessor in expanding the federal police and improving their counterparts at state level .
A week later , after another adam air aeroplane buckled on landing , the government said it would halve the maximum age for commercial passenger aircraft from 20 years to ten .