Welcome to the 21st century, CBS. Following in the footsteps of NBC, TBS, TNT, ABC and a smattering of others, CBS has launched a new iOS app that enables iPhone, iPod touch and iPad owners to stream full-length, HD-quality episodes of CBS programming right on their mobile device.

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"The merger ratio does not reflect BAE's superior cash generation, or the quality of its earnings stream, derived from the length and nature of its customer contracts, " Invesco said.

BBC: BAE Systems: Invesco warns over EADS merger plan