Simplify the following text for a Grade 7 native English-speaking person.
Original: Rachel Maddow ( born April 1 , 1973 ) is a progressive female talk show host on the television network MSNBC where she is the host of the show , The Rachel Maddow Show .
Simplified: Maddow hosts a nightly television show , The Rachel Maddow Show , on MSNBC .