David is correct here. The Republicans desperately want to turn this markup session into a long, boring circus. They’ve come armed with about 150 amendments, dozens of which will come to a vote, almost all of which will be defeated. Here, via Hill Heat, are just a few doozies:

Vitter proposed 14 amendments:

Amendments 1 and 5 allow offshore and on-land natural gas drilling, respectively Amendments 2 and 3 require studies on industry displacement Amendment 4 allows renewable fuel program credits to qualify as emissions credits Amendments 6 and 9 removes various sources from coverage Amendment 7 removes injury liability from CCS activities Amendment 8 prevents implementation if other environmental regulations are found to be adversely impacted Amendment 10 restricts permit banking to 18 months on non-covered entities (a change requested by the AFL-CIO) Amendment 11 modifies transportation fuel coverage Amendments 12-14 make “technical” corrections …

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Isakson proposed four amendments, three of which support nuclear energy. Amendment 3 prohibits the enactment of a cap without sufficient known technology, an amendment which failed in subcommittee …

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Inhofe proposed approximately 45 amendments, some of which are joke amendments (#12 “directs 20% of all auction proceeds be used to build homeless shelters for families without shelter as a result of job displacement due to this Act”). Amendments #23-#28 are pro-nuclear. Amendment #32 increases the auction percentage to 100% by 2029. Amendment #38 overrides the Massachusetts vs. EPA decision.

The Democrats, by contrast, will propose about 30 amendments, many of which would drastically improve America’s Climate Security Act. Sen. Bernard Sanders (I-Vt.) proposed similar versions of some of these way back when the legislation was marked up in subcommittee. Back then, Sen. Lieberman (I-Conn.) reflexively killed all of them. I sort of doubt that’s changed, but we’ll see …