Obamacare in court and other headlines

Opening statements in the Boston Marathon bombing trial today. (AP)

Clinton ran homebrew computer system for official emails. (AP)

NJ lawmakers say they will go to court to block Chris Christie's Exxon settlement. (NJ.com)

Koch network offers a clue of whom it will back in the 2016 GOP primary. (Washington Post)

Alabama reacts to state Supreme Court halting gay marriages. (AL.com)

Pentagon calls briefing about a planned assault on Mosul a mistake. (AP)

What are you reading this morning? Let us know in the comments, please.