Nigeria, Sept. 5 -- After the main opposition People's Democratic Party (PDP) announced last week that it would zone the presidency to the South in 2027, some names have been widely mentioned as possible frontrunners.

Former President Goodluck Jonathan and the Labour Party's presidential flagbearer in the last election, Peter Obi, are perhaps the two most serious contenders.

With Obi confused and trapped by his volatile "Obidient" base, Jonathan has been framed as the more viable option, but. The "but," widely considered to be potentially Jonathan's biggest obstacle, is a legal risk that the courts might overturn his candidature because of a constitutional amendment (after he left office in 2015), which bars him - or anyone twice sworn ...