![NORFOLK, VA - AUGUST 11: Republican presidential candidate, former Massachusetts Gov. Mitt Romney (L) jokes with Rep. Paul Ryan (R-WI) (R) after announcing him as the](https://pyxis.nymag.com/v1/imgs/f27/601/01894c55e68956deb6982f79a2686786e7-11-romney-ryan-roll-out.rsquare.w330.jpg)
The Romney campaign raised $3.5 million online in the 24 hours following the Paul Ryan announcement, according to spokeswoman Andrea Saul. Meanwhile, back in Chicago, Obama will appear at five fund-raisers; the events are expected to bring in a combined $6.4 million, making today one of the campaign’s most lucrative.