This week, conservative power players descended on Tampa for the Republican National Convention. According to reports, leaders of conservative outside groups spent the week wooing GOP mega-donors, seeking even more cash for their final push to defeat President Obama.

Consequently, it was a slow week for the release of new ads. We fact-checked five conservative ads – four of them targeting separate Senate candidates, along with one unusual spot warning about “mass immigration.” Notably, none of them came from Karl Rove’s Crossroads groups, which sat the week out but made their presence felt in Tampa.

Read more after the jump.