Today in Sunday Times Comment

Simon Jenkins suggests a really tough way to control drugs...Michael Portillo says that Cameron's line on poverty turns the heat on Brown...India Knight explains why she is seldom in favour of bans - of junk-food advertising or otherwise...Minette Marrin holds the prime minister to account for Labour's failure to abolish mixed wards... Robert Service maintains that the Litvinenko murder plunges a dagger into the heart of British diplomacy