| By Drew Broach | Deputy metro editor TUG OF WAR: The tug of war between Mayor LaToya Cantrell and the City Council persisted Tuesday, with the mayor vetoing a council attempt to pass judgment on the chief executive’s appointment of 14 departmental directors and the council preparing to question a top administration official about the contracting process for a multi-million dollar “smart city” project. KNOCKOUT: Three weeks after prosecutors refused to charge the man accused of knocking an Ochsner Health System nurse unconscious in an unprovoked hospital attack, authorities have arrested his brother in the same case. They say they’re now confident they have the right suspect. Thanks for starting your Wednesday with us. Check NOLA.com for more news throughout the day. D.B. | 