After a short hiatus from Twitter, Finance Minister Tito Mboweni is once again posting prolifically, using the platform at the weekend to call for a public debate, possibly a referendum, on the use of taxpayers’ money to bail out failing State-owned enterprises. "We must develop a democratic system in which ISSUES of NATIONAL importance & NOT party political significance are dealt with," Mboweni tweeted early on Sunday, writing some words in all caps for emphasis.