U.S. President Joe Biden's campaign and its Democratic allies raised $264 million in the second quarter, including $127 million in June and a record "grassroots" fundraising haul on the day of Biden's disastrous debate against Donald Trump, Biden's campaign said. The Democratic president's re-election effort has $240 million in cash on hand, the campaign said. Biden's team is eager to show fundraising strength after the president's poor debate performance, which prompted calls...