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People and rescue boats line a street at the east Sam Houston Tollway as evacuations continue from flooding in Houston, Texas, Monday, Aug. 28, 2017, following Tropical Storm Harvey. Floodwaters reached the rooflines of single-story homes Monday and people could be heard pleading for help from inside as Harvey poured rain on the Houston area for a fourth consecutive day after a chaotic weekend of rising water and rescues. (Melissa Phillip/Houston Chronicle via AP
People and rescue boats line a street at the east Sam Houston Tollway as evacuations continue from flooding in Houston, Texas, Monday, Aug. 28, 2017, following Tropical Storm Harvey. Floodwaters reached the rooflines of single-story homes Monday and people could be heard pleading for help from inside as Harvey poured rain on the Houston area for a fourth consecutive day after a chaotic weekend of rising water and rescues. (Melissa Phillip/Houston Chronicle via AP

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    Morning news briefing from CNN

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Morning news briefing from CNN

Morning news briefing from CNN on Tuesday, August 29.

Morning news briefing from CNN

Morning news briefing from CNN on Tuesday, August 29.