The video is seen as a way to remove any bad blood between the Romney and Paul camps. Some of that bad blood was on display Tuesday during the state-by-state roll call, when rowdy Paul supporters screamed for the chair to keep the convention updated on how many delegates were being cast for Paul.

Following the video, Paul's son, Sen. Rand PaulRandal (Rand) Howard PaulHouse bill set to reignite debate on warrantless surveillance Authorizing military force is necessary, but insufficient GOP feuds with outside group over analysis of tax framework MORE (R-Ky.), will deliver remarks to the convention.

After that, the evening will be filled with several well-known Republicans in the lead-up to the speech from Ryan. These include remarks from Senate Minority Leader Mitch McConnellAddison (Mitch) Mitchell McConnellGun proposal picks up GOP support Children’s health-care bill faces new obstacles Dems see Trump as potential ally on gun reform MORE (R-Ky.), Rep. Cathy McMorris RodgersCathy McMorris RodgersPutting GOP women in Congress Political decency may triumph despite Trump's DACA decision Ryan calls for 'permanent legislative solution' on DACA MORE (R-Wash.), Sen. John McCainJohn Sidney McCainRubio asks Army to kick out West Point grad with pro-communist posts The VA's woes cannot be pinned on any singular administration Overnight Defense: Mattis offers support for Iran deal | McCain blocks nominees over Afghanistan strategy | Trump, Tillerson spilt raises new questions about N. Korea policy MORE (R-Ariz.), Sen. John ThuneJohn Randolph ThuneGun proposal picks up GOP support Overnight Regulation: Senate panel approves driverless car bill | House bill to change joint-employer rule advances | Treasury to withdraw proposed estate tax rule | Feds delaying Obama methane leak rule Dems see Trump as potential ally on gun reform MORE (R-S.D.) and Sen. Rob PortmanRobert (Rob) Jones PortmanOvernight Cybersecurity: Equifax security employee left after breach | Lawmakers float bill to reform warrantless surveillance | Intel leaders keeping collusion probe open Reddit hires first lobbyists Senate panel approves bill compelling researchers to ‘hack’ DHS MORE (R-Ohio).

Former Govs. Tim Pawlenty (Minn.) and Mike Huckabee (Ark.) will also speak, along with current Gov. Susana Martinez (N.M.), former Secretary of State Condoleezza Rice, and by video, former President George W. Bush.

Late in the evening, a video of Paul RyanPaul RyanThe Hill Interview: Budget Chair Black sticks around for now Gun proposal picks up GOP support GOP lawmaker Tim Murphy to retire at end of term MORE's family will be shown just before Ryan himself takes the stage for his much-anticipated remarks, which will close out Wednesday.