During the next two weeks, the major political parties will assemble their faithful in Tampa, Fla., and Charlotte, N.C., to officially nominate their presidential tickets. These conventions were once places of high political drama. But over the decades, as the primary system has determined the candidates well in advance, conventions have become political theater. With that in mind, there's much to be said on staging in politics — not substance, but style.

Until last week, Pakistani Christians and Muslims on the outskirts of Islamabad lived side-by-side in peace — and in the tight quarters that come with extreme poverty.

Then an Islamic cleric heard a rumor: A Christian girl named Rimsha Masih may have set fire to pages of Quranic verse.

The girl's priest, Father Boota, says a Muslim neighbor claims to have witnessed it.

"He was the one who raised the alarm, and then there was a shopkeeper — he also started shouting, and he also started making calls, 'Get the Christians! Wage a jihad against them!' " the priest says.

Second of a five-part series

Fire scientists are calling it "the new normal": a time of fires so big and hot that no one can remember anything like it.

One of the scientists who coined that term is Craig Allen. I drive with him to New Mexico's Bandelier National Monument, where he works for the U.S. Geological Survey. We take a dirt road up into the Jemez Mountains, into a landscape of black poles as far as you can see.

When the Supreme Court ruled on the landmark Citizen United case in 2010, the landscape of presidential elections shifted. SuperPACs — entities that can't make direct contributions but are allowed to engage in limitless spending and fundraising independently of the campaigns — have allowed for the some of the largest indirect gifts by wealthy Americans in the nation's history.

Obama is on record as opposing superPACs for normalizing gigantic donations, but his campaign has hesitantly decided to accept donations from these outside groups.