Our editors will be looking ahead today to these developing stories ...
Santorum win expected in Louisiana
Despite Mitt Romney's big delegate lead and increasing support among the Republican establishment, Rick Santorum (left), a former Pennsylvania senator, is likely to capture a victory today in Louisiana, a Deep South state like Mississippi and Alabama, which he won this month. While Romney is working to consolidate support behind him after a convincing win at the Illinois primary on Tuesday, his aides recognise the race is not yet won and foresee more weeks of battles. If Santorum wins Louisiana, the two rivals will face a potentially pivotal contest in Wisconsin on April 3. On April 24, the map favours Romney as several northeastern states vote.
Obama tours DMZ before Seoul summit
US President Barack Obama will arrive in South Korea and visit the Demilitarised Zone (DMZ) on the tense border before a nuclear security summit in Seoul. He will meet South Korean President Lee Myung-bak after the DMZ visit, with the focus of their conversation likely to be North Korea.
Sevens party offers booze, costumes ... and rugby
Apart from the booze and the costumes there will be some rugby played at the Hong Kong Sevens today. World Series leaders New Zealand are favourites to retain their crown but face a tough pool including South Africa and Wales. New Zealand, still basking in their World Cup triumph in the 15-a-side game in October, top the HSBC Sevens World Series and are seeking their 11th triumph at the world's most high-profile sevens event. The Kiwis will also have to fend off Fiji, who have won a record 12 times here - including two World Cup wins.